DG

Don Channing Gramlich

BO Bestway Oilfield: 2 patents #2 of 5Top 40%
GI Grote Industries: 1 patents #59 of 105Top 60%
SE Sri Energy: 1 patents #5 of 7Top 75%
WH Weatherford Technology Holdings: 1 patents #412 of 753Top 55%
📍 Richmond, TX: #143 of 594 inventorsTop 25%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #908,342 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12398809 Dynamic slab gate valves Mehul Jain 2025-08-26
12287041 Slab gate valves and methods of retrofitting Mehul Jain 2025-04-29
10197077 Precise choke systems and methods Alagarsamy Sundararajan, Aravindhan Rajamarthandan, Gayathri Srinivasa Ragavan, Purnima Vegesna 2019-02-05
9784057 Mechanical bi-directional isolation valve Sam S. Lloyd, Michael R. Reaves 2017-10-10
9174503 Environment activated automatic shut-off switch system and method Timothy W. Brooks, Luigi Tavernese, Giovanni Tavernese 2015-11-03