Company Badge
USPTO Data Jan 1 1976 - Sep 15 2026
80 Patents
#2 in Wixom, MI
#182 in Michigan
#4,621 in US
#9,430 in the World
Mac Valves, Inc.
Forward Citations = 607
26 inventors:
Wixom, MI, United States of America
Mac Valves, Inc.
% Expired Patents = 12.5
CIPO Patents = 12
EPO Patents = 23
Trademarks = 12
Forward Citations = 607
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26 inventors (with patents filed for the assignee):
James A Neff (33 out of 35 patents)
Kevin C Williams (15 out of 15 patents)
Jeffrey S Simmonds (15 out of 15 patents)
4. Robert H Neff (12 out of 12 patents)
5. Eric Paul Janssen (10 out of 10 patents)
6. Brett Landacre (9 out of 9 patents)
7. Richard A Fagerlie (8 out of 9 patents)
8. Matthew Neff (7 out of 7 patents)
9. Michael Jamison (6 out of 8 patents)
10. Gilles Beaulieu (5 out of 6 patents)
11. Michael E Robert (4 out of 13 patents)
12. Thomas R Jones (4 out of 4 patents)
13. Jeffrey Simmonds (3 out of 3 patents)
14. David M Sobka, Jr (2 out of 2 patents)
15. Joseph Richardson (2 out of 2 patents)
Core Competencies:
Proportional Flow Control
Pressure Regulator
Solenoid Valve
Pneumatic System
Pilot Valve
Multi-Port Valve
Poppet Valve
Diaphragm Valve
Flow Control
Quad Ring Seal
Modular Valve
Directional Control
80 patents:
MAC Valves, Inc. is a leading manufacturer of air valves, proportional valves, and electrical components for a wide range of industries. With over 70 years of experience, MAC Valves is known for their high-quality, reliable products that are used in applications such as automotive, packaging, and industrial automation. Their website provides detailed information about their products, applications, and services.
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12 patents (CIPO):
Please report any incorrect information to [email protected]
23 patents (EPO):
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