KH

Karl K. Hoffman

PL Plitek, L.L.C.: 14 patents #1 of 21Top 5%
PL Plicon: 1 patents #3 of 10Top 30%
Overall (All Time): #316,840 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11352183 Pressure relief valve with wetting fluid reservoirs Robert C. Larsen 2022-06-07
9821528 Method for lubricating pressure relief valves Steve Kaganovich, Thomas J. Roberts 2017-11-21
9187229 Oil-less pressure relief valves Robert C. Larsen, Keith P. Hoffman, Douglas A. Wielunski 2015-11-17
8820381 Apparatus and method for tin-tie application Tom Scott Roberts, Steve Kaganovich, Clay Ladd, Arthur A. Sagy 2014-09-02
8783292 Oil-less pressure relief valves Keith P. Hoffman, Robert C. Larsen, Douglas A. Wielunski 2014-07-22
8636034 Oil-less and wetted pressure relief valves having an integrated filter Keith P. Hoffman, Robert C. Larsen, John Ozcomert, Douglas A. Wielunski 2014-01-28
8522926 Apparatus and method for lubricating pressure relief valves Steve Kaganovich, Thomas J. Roberts 2013-09-03
8082644 Apparatus for the application of pressure relief valves Steve Kaganovich, Thomas J. Roberts 2011-12-27
7637283 Pressure relief valve with stiff support 2009-12-29
7611557 Reversed pressure relief valve 2009-11-03
7472524 Method for the application of pressure relief valves Vladimir Prive, Tom Scott Roberts, Steve Kaganovich 2009-01-06
7328543 Apparatus and method for the application of pressure relief valves Vladimir Prive, Tom Scott Roberts, Steve Kaganovich 2008-02-12
5561574 Method for manufacturing lifter for a disc cartridge and feed stock therefor Roger K. Engel 1996-10-01
5511883 Hang tab for containers John G. Clark 1996-04-30
4620247 Diskette spring and diskette Walter A. Papciak, Roger K. Engel, Adam Wieczorek 1986-10-28