Jeffrey Simmonds — 18 Patents at Mac Valves

Jeffrey Simmonds has been granted 18 US patents while listed as an inventor at Mac Valves. The first was granted in 2003 and the most recent in November 2025. Jeffrey Simmonds ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Jeffrey Simmonds in Wixom, MI, US.

Patents per Year

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Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date
12467542	Valve having a quad ring seal	Brett Anthony Landacre	2025-11-11
12152700	Pilot valve having diaphragm	Brett Anthony Landacre	2024-11-26
11976734	Proportional flow control valve	David M. Sobka, Jr.	2024-05-07
11859729	Proportional solenoid valve	Eric P. Janssen, Brett Anthony Landacre	2024-01-02
11779872	Pulse valve	Ray Jenkins, Matthew Neff, Kevin C. Williams	2023-10-10
11248715	Proportional solenoid valve	Eric P. Janssen, Brett Anthony Landacre	2022-02-15
11028837	Solenoid pump	Brett Anthony Landacre, Matthew Neff	2021-06-08
10774943	Modular valve with O-ring valve set	Brett Anthony Landacre, Matthew Neff	2020-09-15
10753498	Flow-through liquid valve	Brett Anthony Landacre	2020-08-25
10731677	Pneumatic control valve manifold	Michael Jamison, Matthew Neff	2020-08-04
9395010	Multi-port modular valve with snap-in seat	Michael Jamison, Kevin C. Williams	2016-07-19
9074699	Multi-port normally open modular valve with thread-in seat	Michael Jamison	2015-07-07
9010373	Pressure balanced valve with diaphragm valve member end seal	Robert H. Neff	2015-04-21
8783653	Multi-port modular valve with snap-in seat	Michael Jamison, Kevin C. Williams	2014-07-22
8453678	Piloted poppet valve	Robert H. Neff	2013-06-04
8167000	Balanced solenoid valve	Robert H. Neff, Eric P. Janssen	2012-05-01
8151824	Balanced solenoid valve	Kevin C. Williams, Robert H. Neff	2012-04-10
6637451	Pneumatic pressure regulator assembly	Robert H. Neff	2003-10-28

Jeffrey Simmonds — 18 Patents

Patents per Year

Issued Patents All Time

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