Inventor

WIELUNSKI DOUGLAS A

US3 patents

⚠️ This page may combine multiple inventors who share the name “WIELUNSKI DOUGLAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PLITEK L L C

2 patents

US9187229B2Nov 17, 2015

Oil-less pressure relief valves

PLITEK L L C7 citations80

US8636034B2Jan 28, 2014

Oil-less and wetted pressure relief valves having an integrated filter

PLITEK L L C14 citations78

HOFFMAN KARL K

1 patent

US8783292B2Jul 22, 2014

Oil-less pressure relief valves

HOFFMAN KARL K11 citations80