DC

Douglas A. Collings

TP Tecumseh Products: 5 patents #42 of 251Top 20%
📍 Tecumseh, MI: #31 of 127 inventorsTop 25%
🗺 Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #1,031,917 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7273355 Compressor assembly with piston having multiple cross sections 2007-09-25
7178362 Expansion device arrangement for vapor compression system 2007-02-20
7175400 Compressor assembly with reciprocating piston and vented cylinder 2007-02-13
6368085 Suction valve with variable slot width 2002-04-09
6176688 Discharge muffler arrangement Nelik I. Dreiman, Michael A. DiFlora 2001-01-23