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John L. Strelow

OC Oklahoma Safety Equipment Company: 5 patents #2 of 18Top 15%
BL Bs&B Safety Systems Limited: 2 patents #33 of 66Top 50%
📍 Broken Arrow, OK: #41 of 587 inventorsTop 7%
🗺 Oklahoma: #923 of 12,736 inventorsTop 8%
Overall (All Time): #456,191 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10760569 Reciprocating pumps and closures therefore 2020-09-01
6298869 Reverse buckling, thermoformed, polymer rupture disk 2001-10-09
6230733 Self-contained rupture disk cartridge Alan Wilson 2001-05-15
5631634 Flow and pressure sensor 1997-05-20
5602372 Differential pressure flow sensor 1997-02-11
5558114 Eccentric scored rupture disk assembly 1996-09-24
4842014 Check valve hanger mechanism Robert I. Clarkson 1989-06-27
4751938 Apparatus for supporting structure between bolted flanges Roy L. Kerns 1988-06-21
4669500 Check valve actuator 1987-06-02
4269214 Safety pressure relief device Calvin C. Forsythe, Miner E. Clift 1981-05-26
4236648 Safety pressure relief apparatus Loren E. Wood, Calvin C. Forsythe, Edward H. Short, III, Jerome D. Allen, Miner E. Clift 1980-12-02