Patents by Inventor Dirk ter Horst
Dirk ter Horst 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: 11719454Abstract: A method for determining a filter selection for an air filtration system having a current air filter includes entering filtration system information into a processor having access to pressure drop versus dust holding capacity curves for a plurality of different air filters, wherein the filtration system information includes user experience information including volume of air processed with the current air filter in the air filtration system and pressure drop with the current air filter after processing the volume of air; determining a cost factor of operating the air filtration system with the current filter for processing the volume of air; determining a theoretical quantity of dust held by the current filter at the pressure drop using a pressure drop versus dust holding capacity curve for the current air filter and the pressure drop exhibited by the current air filter after processing the volume of air; selecting a proposed air filter from the plurality of different air filters and different from the currenType: GrantFiled: August 31, 2022Date of Patent: August 8, 2023Assignee: Filtration Advice, Inc.Inventor: Dirk ter Horst
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Patent number: 11638893Abstract: An air filter includes an air filter pack includes air filtration media folded along fold lines to define adjacent walls separated by connecting peaks at the fold lines; and a beam defined on both sides of the air filtration media and extending transverse to the fold lines. A frame can enclose the filter pack, and methods for making are also disclosed. The beam can be formed of cured adhesive and reinforces the filter against bending due to upstream air pressure.Type: GrantFiled: December 29, 2022Date of Patent: May 2, 2023Assignee: Filtration Advice, Inc.Inventor: Dirk ter Horst
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Patent number: 10527537Abstract: A method for estimating energy use in an air filtration system using a preselected air filter includes the steps of: entering filtration system information into a computer having access to dust holding capacity-pressure drop curves for a plurality of air filters; determining an estimated current energy use of the air filtration system for a current air filter in the system; and presenting the estimated energy use on a display of the computer. Proposed filters can be evaluated and filter operation and changing cycle can be optimized.Type: GrantFiled: January 17, 2017Date of Patent: January 7, 2020Assignee: LPD Technologies, Inc.Inventors: Dirk ter Horst, Hans-Joachim Lippold
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Patent number: 10143951Abstract: A fluid filter element comprising: an embossed flat filter material which is folded so as to define a plurality of substantially adjacent walls, each wall defining a planar surface between two adjacent fold lines, said wall having an embossing comprising: a first embossing row having a centrally located elongated positive embossment and a distal embossment at each end of the positive elongated embossment, wherein at least one distal embossment is negative; and, a second embossing row spaced from and parallel to the first embossing row, the second embossing row having two elongated embossments, wherein one elongated embossment is negative and one is positive. A method regarding the making of the same.Type: GrantFiled: March 23, 2016Date of Patent: December 4, 2018Assignee: LPD Technologies Inc.Inventors: Dirk ter Horst, Hans-Joachim Lippold
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Publication number: 20170261418Abstract: A method for estimating energy use in an air filtration system using a preselected air filter includes the steps of: entering filtration system information into a computer having access to dust holding capacity-pressure drop curves for a plurality of air filters; determining an estimated current energy use of the air filtration system for a current air filter in the system; and presenting the estimated energy use on a display of the computer. Proposed filters can be evaluated and filter operation and changing cycle can be optimized.Type: ApplicationFiled: January 17, 2017Publication date: September 14, 2017Inventors: Dirk ter Horst, Hans-Joachim Lippold
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Patent number: 9546942Abstract: A method for estimating energy use in an air filtration system using a preselected air filter includes the steps of: entering filtration system information into a computer having access to dust holding capacity—pressure drop curves for a plurality of air filters; determining an estimated current energy use of the air filtration system for a current air filter in the system; and presenting the estimated energy use on a display of the computer. Proposed filters can be evaluated and filter operation and changing cycle can be optimized.Type: GrantFiled: June 24, 2011Date of Patent: January 17, 2017Assignee: LPD Technologies, Inc.Inventors: Dirk ter Horst, Hans-Joachim Lippold
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Publication number: 20160243481Abstract: A fluid filter element comprising: an embossed flat filter material which is folded so as to define a plurality of substantially adjacent walls, each wall defining a planar surface between two adjacent fold lines, said wall having an embossing comprising: a first embossing row having a centrally located elongated positive embossment and a distal embossment at each end of the positive elongated embossment, wherein at least one distal embossment is negative; and, a second embossing row spaced from and parallel to the first embossing row, the second embossing row having two elongated embossments, wherein one elongated embossment is negative and one is positive. A method regarding the making of the same.Type: ApplicationFiled: March 23, 2016Publication date: August 25, 2016Applicant: LPD Technologies, Inc.Inventors: Dirk ter Horst, Hans-Joachim Lippold
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Patent number: 9314717Abstract: A fluid filter element comprising: an embossed flat filter material which is folded so as to define a plurality of substantially adjacent walls, each wall defining a planar surface between two adjacent fold lines, said wall having an embossing comprising: a first embossing row having a centrally located elongated positive embossment and a distal embossment at each end of the positive elongated embossment, wherein at least one distal embossment is negative; and, a second embossing row spaced from and parallel to the first embossing row, the second embossing row having two elongated embossments, wherein one elongated embossment is negative and one is positive. A method regarding the making of the same.Type: GrantFiled: October 19, 2010Date of Patent: April 19, 2016Assignee: LPD TechnologiesInventors: Dirk ter Horst, Hans-Joachim Lippold
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Publication number: 20130103352Abstract: A method for estimating energy use in an air filtration system using a preselected air filter includes the steps of: entering filtration system information into a computer having access to dust holding capacity—pressure drop curves for a plurality of air filters; determining an estimated current energy use of the air filtration system for a current air filter in the system; and presenting the estimated energy use on a display of the computer. Proposed filters can be evaluated and filter operation and changing cycle can be optimized.Type: ApplicationFiled: June 24, 2011Publication date: April 25, 2013Applicant: LPD TECHNOLOGIES, INCInventors: Dirk ter Horst, Hans-Joachim Lippold
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Patent number: 8328896Abstract: A filter pack includes filter media formed into a filter structure having a front, a back and at least one side surface; and a frame adhered to the at least one side surface and comprising an adhesive and an adhesive carrier. The adhesive carrier can be a sheet of material which can be impregnated with the adhesive, one example being a sheet of the filter material itself. The adhesive carrier can alternatively be a single use tray mold for holding the adhesive while it cures, and which is left into the final product.Type: GrantFiled: March 12, 2007Date of Patent: December 11, 2012Assignee: LPD Technologies, Inc.Inventor: Dirk ter Horst
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Publication number: 20120261331Abstract: A fluid filter element comprising: an embossed flat filter material which is folded so as to define a plurality of substantially adjacent walls, each wall defining a planar surface between two adjacent fold lines, said wall having an embossing comprising: a first embossing row having a centrally located elongated positive embossment and a distal embossment at each end of the positive elongated embossment, wherein at least one distal embossment is negative; and, a second embossing row spaced from and parallel to the first embossing row, the second embossing row having two elongated embossments, wherein one elongated embossment is negative and one is positive. A method regarding the making of the same.Type: ApplicationFiled: October 19, 2010Publication date: October 18, 2012Inventors: Dirk Ter Horst, Hans-Joachim Lippold
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Publication number: 20090199525Abstract: A filter pack includes filter media formed into a filter structure having a front, a back and at least one side surface; and a frame adhered to the at least one side surface and comprising an adhesive and an adhesive carrier. The adhesive carrier can be a sheet of material which can be impregnated with the adhesive, one example being a sheet of the filter material itself. The adhesive carrier can alternatively be a single use tray mold for holding the adhesive while it cures, and which is left into the final product.Type: ApplicationFiled: March 12, 2007Publication date: August 13, 2009Applicant: LPD TECHNOLOGIES, INC.Inventor: Dirk Ter Horst