Patents by Inventor David V. Crowell
David V. Crowell 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: 11637413Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: GrantFiled: April 6, 2020Date of Patent: April 25, 2023Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Publication number: 20200235553Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: ApplicationFiled: April 6, 2020Publication date: July 23, 2020Inventor: David V. Crowell
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Patent number: 10707655Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: GrantFiled: August 20, 2018Date of Patent: July 7, 2020Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Patent number: 10626671Abstract: A ladder accessory is easily adapted for mounting on ladders of different shapes and sizes. The ladder accessory includes mounting slots whose long dimensions run in at least two different directions. This allows mounting hardware to be placed anywhere along the length of the slot, as may be convenient for a particular ladder's geometry.Type: GrantFiled: March 5, 2018Date of Patent: April 21, 2020Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Publication number: 20190271191Abstract: A ladder accessory is easily adapted for mounting on ladders of different shapes and sizes. The ladder accessory includes mounting slots whose long dimensions run in at least two different directions. This allows mounting hardware to be placed anywhere along the length of the slot, as may be convenient for a particular ladder's geometry.Type: ApplicationFiled: March 5, 2018Publication date: September 5, 2019Applicant: Jones Lang LaSalle IP, Inc.Inventor: David V. Crowell
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Publication number: 20180358787Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: ApplicationFiled: August 20, 2018Publication date: December 13, 2018Applicant: Jones Lang LaSalle IP, Inc.Inventor: David V. Crowell
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Patent number: 10056739Abstract: An energized parts guard is disclosed including a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further includes a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: GrantFiled: February 12, 2018Date of Patent: August 21, 2018Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Publication number: 20180166864Abstract: An energized parts guard is disclosed including a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further includes a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: ApplicationFiled: February 12, 2018Publication date: June 14, 2018Applicant: Jones Lang LaSalle IP, Inc.Inventor: David V. Crowell
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Patent number: 9893499Abstract: An energized parts guard is disclosed which includes a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further includes a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: GrantFiled: November 17, 2016Date of Patent: February 13, 2018Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Publication number: 20170070035Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: ApplicationFiled: November 17, 2016Publication date: March 9, 2017Applicant: Jones Lang LaSalle IP, Inc.Inventor: David V. Crowell
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Patent number: 9530582Abstract: An energized parts guard is disclosed includes a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further includes a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 millimeter gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: GrantFiled: December 11, 2014Date of Patent: December 27, 2016Assignee: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell
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Publication number: 20160172128Abstract: An energized parts guard is disclosed comprising a panel of substantially rigid, electrically insulative material wherein the substantially rigid panel further comprises a first one or more apertures and a second one or more apertures. The first one or more apertures are so dimensioned to accept one or more circuit breakers inserted into the first one or more apertures such that there is less than a 12.5 mm gap between the panel and the circuit breaker on at least two sides of the one or more circuit breakers. The second one or more apertures are positioned to facilitate access to at least one terminal of each of the one or more circuit breakers when the one or more circuit breakers are inserted into the first one or more apertures.Type: ApplicationFiled: December 11, 2014Publication date: June 16, 2016Applicant: JONES LANG LASALLE IP, INC.Inventor: David V. Crowell