Patents by Inventor David W. Wilkening
David W. Wilkening has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11554279Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: March 26, 2021Date of Patent: January 17, 2023Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20230001250Abstract: A forest fire retardant composition contains a retardant compound that includes a phosphate salt. The phosphate salt may include diammonium phosphate, diammonium orthophosphate, monoammonium phosphate, monoammonium orthophosphate, monosodium phosphate, disodium phosphate, disodium phosphate hydrate, sodium ammonium phosphate, sodium ammonium phosphate hydrate, sodium tripolyphosphate, trisodium phosphate, or dipotassium phosphate, and combinations thereof. The forest fire retardant composition may include an ammonium source. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: August 19, 2022Publication date: January 5, 2023Applicant: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan, Michael White
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Patent number: 11534643Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: November 19, 2021Date of Patent: December 27, 2022Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20220323809Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, a sulfate salt, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The sulfate salt may be magnesium sulfate. The magnesium sulfate hydrate has a formula MgSO4(H2O)x, where x is about 1 to about 11. For example, x may be equal to at least one of 1, 2, 3, 4, 5, 6, 7, 9, 10 or 11. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: June 21, 2022Publication date: October 13, 2022Applicant: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 11420084Abstract: A forest fire retardant composition contains a retardant compound that includes a phosphate salt. The phosphate salt may include diammonium phosphate, diammonium orthophosphate, monoammonium phosphate, monoammonium orthophosphate, monosodium phosphate, disodium phosphate, disodium phosphate hydrate, sodium ammonium phosphate, sodium ammonium phosphate hydrate, sodium tripolyphosphate, trisodium phosphate, or dipotassium phosphate, and combinations thereof. The forest fire retardant composition may include an ammonium source. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: December 15, 2021Date of Patent: August 23, 2022Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan, Michael White
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Patent number: 11395934Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, a sulfate salt, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The sulfate salt may be magnesium sulfate. The magnesium sulfate hydrate has a formula MgSO4(H2O)x, where x is about 1 to about 11. For example, x may be equal to at least one of 1, 2, 3, 4, 5, 6, 7, 9, 10 or 11. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: August 26, 2021Date of Patent: July 26, 2022Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20220184441Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, a sulfate salt, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The sulfate salt may be magnesium sulfate. The magnesium sulfate hydrate has a formula MgSO4(H2O)x, where x is about 1 to about 11. For example, x may be equal to at least one of 1, 2, 3, 4, 5, 6, 7, 9, 10 or 11. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: August 26, 2021Publication date: June 16, 2022Applicant: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20220184440Abstract: A forest fire retardant composition contains a retardant compound that includes a phosphate salt. The phosphate salt may include diammonium phosphate, diammonium orthophosphate, monoammonium phosphate, monoammonium orthophosphate, monosodium phosphate, disodium phosphate, disodium phosphate hydrate, sodium ammonium phosphate, sodium ammonium phosphate hydrate, sodium tripolyphosphate, trisodium phosphate, or dipotassium phosphate, and combinations thereof. The forest fire retardant composition may include an ammonium source. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: December 15, 2021Publication date: June 16, 2022Applicant: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan, Michael White
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Patent number: 11344760Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: March 26, 2021Date of Patent: May 31, 2022Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 11332884Abstract: A deicer composition is disclosed. The deicer composition may comprise water, a metal chloride salt, and a biopolymer composition derived from wheat straw, alfalfa, or other cereal grain straws. The biopolymer composition may include inorganic material and a copolymer comprised of lignin and polysaccharides. The biopolymer composition may have an average molecular weight of between 3500 and 5500 Daltons. The metal chloride salt may be selected from magnesium chloride, calcium chloride, and sodium chloride.Type: GrantFiled: May 15, 2020Date of Patent: May 17, 2022Assignee: NW Straw Pulp, LLCInventors: Keith C. Kuykendall, David W. Wilkening
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Publication number: 20220080242Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: November 19, 2021Publication date: March 17, 2022Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20220072355Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20210309830Abstract: A forest fire retardant composition is substantially free of ammonium and includes an organophosphate derived from (i) a phosphorylation agent and (ii) an organic molecule comprising at least two hydroxyl groups. The organophosphate may contain at least one phosphate ester bonded to an organic molecule, wherein the organic molecule comprises at least one monomer unit of about 2 to 40 carbon atoms. Preferably, at least 90% of the functional groups of the organophosphate is a phosphate ester group. The composition may also include a salt, including magnesium salt and/or calcium salt. The anion in the salt may be hydroxide, carbonate or phosphate. The salt may be an anhydrous salt, a salt hydrate, or a combination of both. The composition is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20210220687Abstract: A forest fire retardant composition contains a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The forest fire retardant composition may include at least one anhydrous salt and at least one hydrate salt. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: March 26, 2021Publication date: July 22, 2021Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20210213319Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(HO)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Publication number: 20210213318Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Inventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 11041063Abstract: A forest fire retardant composition is substantially free of ammonium and includes an organophosphate derived from (i) a phosphorylation agent and (ii) an organic molecule comprising at least two hydroxyl groups. The organophosphate may contain at least one phosphate ester bonded to an organic molecule, wherein the organic molecule comprises at least one monomer unit of about 2 to 40 carbon atoms. Preferably, at least 90% of the functional groups of the organophosphate is a phosphate ester group. The composition may also include a salt, including magnesium salt and/or calcium salt. The anion in the salt may be hydroxide, carbonate or phosphate. The salt may be an anhydrous salt, a salt hydrate, or a combination of both. The composition is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: September 24, 2020Date of Patent: June 22, 2021Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 10960251Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: November 25, 2020Date of Patent: March 30, 2021Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 10960250Abstract: A forest fire retardant composition includes a retardant compound that includes at least one anhydrous salt and at least one hydrate salt. The anhydrous salt is magnesium chloride, calcium chloride, or both. The hydrate salt is magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of 1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: June 5, 2020Date of Patent: March 30, 2021Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan
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Patent number: 10960249Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.Type: GrantFiled: June 5, 2020Date of Patent: March 30, 2021Assignee: FRS Group, LLCInventors: Dennis Hulbert, Robert J. Burnham, Michael S. Schnarr, Gerald Geissler, David W. Wilkening, Joseph McLellan