Inventor · Richmond, TX, US

Don Channing Gramlich

5Patents
2h-index
10Co-inventors
44Inventor score

Filing activity: Apr 30, 2008 → Oct 17, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US10197077B2 Precise choke systems and methods Fixed Constructions 4 Active
US9784057B2 Mechanical bi-directional isolation valve Fixed Constructions 3 Active
US9174503B2 Environment activated automatic shut-off switch system and method Performing Operations; Transporting 1 Active
US12287041B1 Slab gate valves and methods of retrofitting Mechanical Engineering; Lighting; Heating 0 Active
US12398809B2 Dynamic slab gate valves Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.