Mark K. Hamm — 9 Patents at Engineered Controls International

Mark K. Hamm has been granted 9 US patents while listed as an inventor at Engineered Controls International. The first was granted in 2011 and the most recent in November 2025. Mark K. Hamm ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Mark K. Hamm in Cullman, AL, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12473987	Low-profile paired relief valve	Christopher Taylor Herman	2025-11-18
11655908	Low pressure shut off valve and system	Christopher Taylor Herman, Elijah Marshall Combs	2023-05-23
11650605	Combination valve for pressure building and final-line gas regulation	John R. Grenaway	2023-05-16
11346454	Low-profile paired relief valve	Christopher Taylor Herman	2022-05-31
10337633	Relief valve with directable outlet	John R. Grenaway, John B. Miller, William Clinton Osteen	2019-07-02
8627846	Pressure regulator having an integral pilot and self-relieving mechanism	John R. Grenaway	2014-01-14
8517043	Pressure build economizer valve	—	2013-08-27
8066026	Diaphragm controlled bypass valve	John R. Grenaway, William Clinton Osteen	2011-11-29
8028712	Diaphragm controlled bypass valve	John R. Grenaway, William Clinton Osteen	2011-10-04

Mark K. Hamm — 9 Patents

Issued Patents All Time

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