JG

John R. Grenaway

EI Engineered Controls International: 3 patents #11 of 30Top 40%
EH Emerson Vulcan Holding: 1 patents #15 of 26Top 60%
NB Nellcor Puritan Bennett: 1 patents #145 of 287Top 55%
PL Pentair Valves & Controls Us Lp: 1 patents #3 of 8Top 40%
TL Tyco Valves & Controls, Lp: 1 patents #6 of 17Top 40%
Overall (All Time): #607,738 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12429153 Low-emission nozzle and receptacle coupling for cryogenic fluid Kevin Jordan, David Michael Rakos 2025-09-30
11821557 Low-emission nozzle and receptacle coupling for cryogenic fluid Kevin Jordan 2023-11-21
11650605 Combination valve for pressure building and final-line gas regulation Mark K. Hamm 2023-05-16
10337633 Relief valve with directable outlet Mark K. Hamm, John B. Miller, William Clinton Osteen 2019-07-02
8627846 Pressure regulator having an integral pilot and self-relieving mechanism Mark K. Hamm 2014-01-14
8066026 Diaphragm controlled bypass valve Mark K. Hamm, William Clinton Osteen 2011-11-29
8028712 Diaphragm controlled bypass valve Mark K. Hamm, William Clinton Osteen 2011-10-04
6116242 Oxygen-conserving regulator assembly Mark R. Frye, Richard A. Davis, Douglas R. Leithauser 2000-09-12