DH

David J. Hurlbert

SC Schlage Lock Company: 14 patents #37 of 564Top 7%
FW Federal-Mogul Worldwide: 6 patents #47 of 317Top 15%
📍 Manitou Springs, CO: #3 of 53 inventorsTop 6%
🗺 Colorado: #1,934 of 40,980 inventorsTop 5%
Overall (All Time): #214,615 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12281492 Handle retention Drake Lunday, Adam M. Litwinski, Zachary Jared Wiggins, Marshall Owens 2025-04-22
12264496 Cylindrical lock with a clutching and a non-clutching configuration Kenton H. Barker 2025-04-01
12049770 Modular cylindrical lockset Kenton H. Barker, Subbiah Gopalakrishnan, Kasey Wachtendorf, Snehil Solanki, Dilip Bangaru +2 more 2024-07-30
11965356 Status-indicating cylindrical lock assembly Smitha Basavaraju, Kenton H. Barker, Harikrishnan Mannattil, Subbiah Gopalakrishnan, Ajeya S. Rao +1 more 2024-04-23
11920379 Modular cylindrical lockset Kenton H. Barker, Subbiah Gopalakrishnan, Kasey Wachtendorf, Snehil Solanki, Dilip Bangaru +2 more 2024-03-05
11905735 Key-operable lockset Snehil Solanki, Kenton H. Barker, James D. Ohl, Greg Hebner 2024-02-20
11834864 Handle retention Drake Lunday, Adam M. Litwinski, Zachary Jared Wiggins, Marshall Owens 2023-12-05
11377872 Cylindrical lock with a clutching and a non-clutching configuration Kenton H. Barker 2022-07-05
11306506 Status-indicating cylindrical lock assembly Smitha Basavaraju, Kenton H. Barker, Harikrishnan Mannattil, Subbiah Gopalakrishnan, Ajeya S. Rao +1 more 2022-04-19
11091934 Apparatus and method for installing door locks Austin M. Roup, Kenton H. Barker, Steve Verderaime 2021-08-17
11078686 Modular cylindrical lockset Kenton H. Barker, Subbiah Gopalakrishnan, Kasey Wachtendorf, Snehil Solani, Dilip Bangaru +2 more 2021-08-03
11035149 Modular cylindrical lockset Kenton H. Barker, Subbiah Gopalakrishnan, Kasey Wachtendorf, Snehil Solanki, Dilip Bangaru +2 more 2021-06-15
10301843 Status-indicating cylindrical lock assembly Smitha Basavaraju, Kenton H. Barker, Harikrishnan Mannattil, Subbiah Gopalakrishnan, Ajeya S. Rao +1 more 2019-05-28
8829375 Lighted push button Michael P. Hogan 2014-09-09
7967298 Lateral sealing gasket and method Rob Waters 2011-06-28
7828302 Lateral sealing gasket and method Rob Waters 2010-11-09
7814880 Plastic cover having metal reinforcement for internal combustion engine applications and method of construction Robert Waters 2010-10-19
7806413 Static gasket Thomas Hemmrich 2010-10-05
7610893 Plastic cover having metal reinforcement for internal combustion engine applications and method of construction Robert Waters 2009-11-03
7213814 Seal assembly Hao Niu, William T Gordon, Robert Waters 2007-05-08