DH

Don Hamilton

LE Lear: 5 patents #275 of 1,996Top 15%
EV Evapco: 3 patents #21 of 53Top 40%
Overall (All Time): #398,772 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359828 Low charge packaged ammonia refrigeration system with evaporative condenser Kurt Liebendorfer, Gregory S. Derosier, Trevor Hegg, Sarah L. Ferrari, Nicholas Hesser +1 more 2025-07-15
11885513 Low charge packaged ammonia refrigeration system with evaporative condenser Kurt Liebendorfer, Gregory S. Derosier, Trevor Hegg, Sarah L. Ferrari, Nicholas Hesser +1 more 2024-01-30
11035594 Low charge packaged ammonia refrigeration system with evaporative condenser Kurt Liebendorfer, Gregory S. Derosier, Trevor Hegg, Sarah L. Ferrari, Nicholas Hesser +1 more 2021-06-15
7937815 Apparatus for securing a trim cover with a foam pad and method of using the same Larry Hamilton, Brian Zapalski, James Szura 2011-05-10
7430793 Apparatus for securing a trim cover with a foam pad and method of using the same Larry Hamilton, Brian Zapalski, James Szura 2008-10-07
6832503 Machine for testing occupant restraint system Mark Marentic, John Sapielak, Roland Monk, Derek Thomas, Gary Rock +5 more 2004-12-21
6643925 Installation device for installing a flexible sensor on a seat cushion Raymond Ormachea, Paul S. Severinski, Alan A. Boisvert 2003-11-11
6578722 Portable hoist assembly Scott Perkins 2003-06-17
6083337 Method and apparatus for bonding a trim cover to a foam pad along a conveyor assembly line Robert Bailey, Scott Barber, John Sapielak, Ron Monk, Dennis Sosnowski +2 more 2000-07-04
5367975 Kayak cockpit cover with retention edge William E. Masters 1994-11-29
4605378 Breakdown boat paddle with variable configuration 1986-08-12
4583480 Kayak cockpit cover William E. Masters 1986-04-22