Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DJ

David Johnson — 17 Patents

LALaitram: 2 patents #34 of 89Top 40%
BIBerner International: 1 patents #5 of 9Top 60%
HIHid: 1 patents #4 of 10Top 40%
New Castle, PA: #6 of 267 inventorsTop 3%
Pennsylvania: #4,187 of 74,527 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
David Johnson has been granted 17 US patents while listed as an inventor at Laitram. The first was granted in 1985 and the most recent in October 2024. David Johnson ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David Johnson in New Castle, PA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12104312 Bracket for a clothesline assembly and a clothesline assembly 2024-10-01
12066214 Integrated active duration UVC exposure for air curtain Philip M. Thomas, David Rimbey 2024-08-20
11884889 Kinetic oil processing system 2024-01-30
11193570 Continuous variable speed transmission using variable coupling arrangement 2021-12-07
10502300 Continuous variable speed transmission using variable coupling arrangement 2019-12-10
10139120 Integrated venturi heating elements for air curtains Philip M. Thomas 2018-11-27
8568210 Integrated venturi heating elements for air curtains Philip M. Thomas 2013-10-29
6476708 Detection of an RFID device by an RF reader unit operating in a reduced power state 2002-11-05
D428561 Cooking grill 2000-07-25
5566951 Method and apparatus enabling archery practice Peter J. Dart, Howard F. Hall 1996-10-22
5454687 High speed sorter/stacker Peter E. Johnson 1995-10-03
5410951 Apparatus and method for continuous high-volume steam cooking Brent A. Ledet 1995-05-02
5377492 Conveyor system for chilling food products Thomas Robertson 1995-01-03
D313332 Barbeque grill 1991-01-01
4866870 Revolver speed loader 1989-09-19
4576178 Audio signal generator 1986-03-18
4507616 Rotatable superconducting cyclotron adapted for medical use Henry G. Blosser, Jack H. Riedel, Richard J. Burleigh 1985-03-26