Don Hamilton — 12 Patents at Lear

Don Hamilton has been granted 12 US patents while listed as an inventor at Lear. The first was granted in 1986 and the most recent in July 2025. Don Hamilton ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Don Hamilton in Taneytown, MD, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$14,072,000
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	$2,995,000
6832503	Machine for testing occupant restraint system	Mark Marentic, John Sapielak, Roland Monk, Derek Thomas, Gary Rock +5 more	2004-12-21	$5,510,000
6643925	Installation device for installing a flexible sensor on a seat cushion	Raymond Ormachea, Paul S. Severinski, Alan A. Boisvert	2003-11-11	$12,369,000
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

Don Hamilton — 12 Patents

Issued Patents All Time

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