Robert H. Neff — 12 Patents at Mac Valves

Robert H. Neff has been granted 12 US patents while listed as an inventor at Mac Valves. The first was granted in 1991 and the most recent in July 2020. Robert H. Neff ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Robert H. Neff in Birmingham, MI, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date
10711915	Pilot actuated control pilot for operating valve	Matthew Neff, Jeff Simmonds, Eric P. Janssen, Joseph Richardson	2020-07-14
9903395	Proportional pressure controller with isolation valve assembly	Matthew Neff, Kevin C. Williams, Joseph Richardson	2018-02-27
9010373	Pressure balanced valve with diaphragm valve member end seal	Jeffrey Simmonds	2015-04-21
8453678	Piloted poppet valve	Jeffrey Simmonds	2013-06-04
8167000	Balanced solenoid valve	Jeffrey Simmonds, Eric P. Janssen	2012-05-01
8151824	Balanced solenoid valve	Kevin C. Williams, Jeffrey Simmonds	2012-04-10
7735518	Valve assembly with dual actuation solenoids	Kevin C. Williams	2010-06-15
7210501	Directly operated pneumatic valve having a differential assist return	Eric P. Janssen, Lynn R Long	2007-05-01
7036522	Solenoid actuated pneumatic valve with an integrated pass-through and a quick mount body	Kevin C. Williams	2006-05-02
6772791	Directly operated pneumatic valve having an air assist return	—	2004-08-10
6637451	Pneumatic pressure regulator assembly	Jeffrey Simmonds	2003-10-28
5032704	Multi-pressure control system	Todd C. Voelker	1991-07-16

Robert H. Neff — 12 Patents

Issued Patents All Time

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