JF

John R. Foster

VD Von Duprin: 4 patents #9 of 58Top 20%
📍 Searsmont, ME: #1 of 3 inventorsTop 35%
🗺 Maine: #183 of 4,281 inventorsTop 5%
Overall (All Time): #276,504 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9389004 Cavitation heater system Ronald Burton Manwell 2016-07-12
7505241 Transient voltage surge suppression device Neil McLoughlin, Michael O'Donovan, Thomas M. Novak, Nathan C. Siegwald, Brian Walaszczyk +1 more 2009-03-17
7155791 Connecting rod cap separator system 2007-01-02
6625925 Landscape edging 2003-09-30
D472984 Interconnectable landscape edging module 2003-04-08
6470781 Lifter bore groover tool 2002-10-29
D463868 Interconnectable landscape edging module 2002-10-01
6427301 Piston ring compressor tool system 2002-08-06
6421930 Piston ring locating system 2002-07-23
D455504 Interconnectable landscape edging module 2002-04-09
6042456 Suction operated valve resurfacing tool and associated method 2000-03-28
5882250 Valve refacing tool 1999-03-16
5749774 Valve refacing tool 1998-05-12
4466643 Dogging device, method of forming the same, and an adapter kit therefor Maksimilijan Godec, Paul J. Straub, Allan K. Mahler 1984-08-21
4427223 Latching device Maksimilijan Godec, Paul J. Straub, Allan K. Mahler 1984-01-24
4401330 Means for, and a method of, securing a closure James E. Placke 1983-08-30
4305612 Apparatus for operating a door latching and unlatching device Larry R. Hunt 1981-12-15