Roy E. Shaffer — 13 Patents | Patent Leaderboard

Roy E. Shaffer has been granted 13 US patents. The first was granted in 1984 and the most recent in June 2017. Roy E. Shaffer ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Roy E. Shaffer in Bel Air, MD, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9682534	Chemical resistant waterproofing membranes	Nathan E. Young, Steven H. Williams, Brian Shaffer	2017-06-20
7427575	Faced fibrous insulation	—	2008-09-23
7222645	Duct insulation having condensate wicking	Manoj Choudhary, Steven Geiger, Charles W. Crim, Jr.	2007-05-29	$14,180,000
7140397	Duct insulation having condensate wicking	Charles W. Crim, Jr., Manoj Choudhary, Steven Geiger	2006-11-28
5987833	Vacuum packaged batt	Michael T. Heffelfinger	1999-11-23	$4,331,000
5916393	Method for applying adhesive on a porous substrate	Jeffrey A. Tilton, Randall E. Nyhart, Frederick R. Ernest	1999-06-29	$9,052,000
5855353	Vibration damping system	Kurt G. Melia	1999-01-05	$17,456,000
5849131	Method for applying adhesive to an insulation assembly	Frederick R. Ernest, Jeffrey A. Tilton	1998-12-15	$18,712,000
5517729	Reusable closure device	—	1996-05-21
5421133	Insulation batt with extended flange	Clarke Berdan, II, Ray G. Stout	1995-06-06
4889018	Lid remover	—	1989-12-26
4559377	Ceiling board edge coating	James R. Gleason, Issac A. Awabdy	1985-12-17	$5,146,000
4484195	Method of screening infra-red radiation	—	1984-11-20

Roy E. Shaffer — 13 Patents

Issued Patents All Time

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