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).

  • Patent number: 11637413
    Abstract: 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: Grant
    Filed: April 6, 2020
    Date of Patent: April 25, 2023
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Publication number: 20200235553
    Abstract: 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: Application
    Filed: April 6, 2020
    Publication date: July 23, 2020
    Inventor: David V. Crowell
  • Patent number: 10707655
    Abstract: 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: Grant
    Filed: August 20, 2018
    Date of Patent: July 7, 2020
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Patent number: 10626671
    Abstract: 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: Grant
    Filed: March 5, 2018
    Date of Patent: April 21, 2020
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Publication number: 20190271191
    Abstract: 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: Application
    Filed: March 5, 2018
    Publication date: September 5, 2019
    Applicant: Jones Lang LaSalle IP, Inc.
    Inventor: David V. Crowell
  • Publication number: 20180358787
    Abstract: 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: Application
    Filed: August 20, 2018
    Publication date: December 13, 2018
    Applicant: Jones Lang LaSalle IP, Inc.
    Inventor: David V. Crowell
  • Patent number: 10056739
    Abstract: 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: Grant
    Filed: February 12, 2018
    Date of Patent: August 21, 2018
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Publication number: 20180166864
    Abstract: 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: Application
    Filed: February 12, 2018
    Publication date: June 14, 2018
    Applicant: Jones Lang LaSalle IP, Inc.
    Inventor: David V. Crowell
  • Patent number: 9893499
    Abstract: 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: Grant
    Filed: November 17, 2016
    Date of Patent: February 13, 2018
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Publication number: 20170070035
    Abstract: 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: Application
    Filed: November 17, 2016
    Publication date: March 9, 2017
    Applicant: Jones Lang LaSalle IP, Inc.
    Inventor: David V. Crowell
  • Patent number: 9530582
    Abstract: 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: Grant
    Filed: December 11, 2014
    Date of Patent: December 27, 2016
    Assignee: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell
  • Publication number: 20160172128
    Abstract: 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: Application
    Filed: December 11, 2014
    Publication date: June 16, 2016
    Applicant: JONES LANG LASALLE IP, INC.
    Inventor: David V. Crowell