Edward P. Murphy — 14 Patents at Graco

Edward P. Murphy has been granted 14 US patents while listed as an inventor at Graco. The first was granted in 1987 and the most recent in April 2000. Edward P. Murphy ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Edward P. Murphy in Coon Rapids, MN, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6045334	Valve disabler for use in high pressure pipe cleaning applications	Frank L. Amyotte	2000-04-04
5934173	Reciprocating plunger pump	Frank L. Amyotte	1999-08-10
5911562	High pressure fluid delivery system with automatic priming valve	Jeffrey M. Youngquist	1999-06-15
5775880	Valve disabler for use in high pressure pipe cleaning systems	David G. Vensland	1998-07-07
5348454	Liquid pump resilient inlet insert for pumping high solids content liquids	—	1994-09-20	$619,000
5320280	Pneumatically controlled spraying system having a diaphragm-operated switch	Tommy L. Gray	1994-06-14	$1,081,000
5299741	Texture spray gun bleed valve	—	1994-04-05	$1,188,000
5286931	Gauge with indicator switch	Dennis J. Balogh	1994-02-15	$650,000
5228622	Spraying system having pressure safety limits	Albert W. Lubenow	1993-07-20	$1,052,000
D308920	Pressure-fed trim paintbrush head	—	1990-07-03
D307830	Pressure-fed paintbrush head	—	1990-05-15
4790679	Power paint brush with flow restrictor and removable brush head	—	1988-12-13	$778,000
4700741	Ball check valve	—	1987-10-20	$1,221,000
4676685	Power brush coating applicator	—	1987-06-30	$1,478,000

Edward P. Murphy — 14 Patents

Issued Patents All Time

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