JT

Jeff Theisen

DC Donaldson Company: 5 patents #228 of 695Top 35%
📍 Golden, CO: #177 of 1,256 inventorsTop 15%
🗺 Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #620,124 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11645610 System and method for deterring theft of package, and device therefor Larry Fox, Derrick Gaderson, Michael Geminden 2023-05-09
D853750 Lavatory shelf 2019-07-16
10284703 Portable full duplex intercom system with bluetooth protocol and method of using the same John Lawrence 2019-05-07
6096208 Seal arrangement for spin-on filters John F. Connelly 2000-08-01
6083381 Fuel filter with sediment drain valve and level indicator John F. Connelly, Brent A. Gulsvig, Mark G. Soderlund 2000-07-04
6012485 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof John F. Connelly, Brent A. Gulsvig, Mark G. Soderlund 2000-01-11
5104537 High pressure hydraulic spin-on filter Jack Stifelman 1992-04-14
4883083 Relief valve assembly; piston member from same and filter head assembly incorporating same Jack Stifelman, John F. Connelly, Patrick Fisher 1989-11-28