Inventor · Houston, TX, US

Paul D. Bunch

7Patents
6h-index
8Co-inventors
56Inventor score

Filing activity: Jun 30, 1982 → Nov 30, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US4741509A Gate valve with improved secondary body to bushing seals Mechanical Engineering; Lighting; Heating 46 Expired
US7614453B2 Stress distributing wellhead connector Fixed Constructions 20 Active
US6405762B1 Composite pipe assembly and method for preparing the same Mechanical Engineering; Lighting; Heating 17 Expired
US4531711A Valve and stem seal therefor Mechanical Engineering; Lighting; Heating 13 Expired
US8016042B2 Stress distributing wellhead connector Fixed Constructions 11 Active
US4629161A Gate valve Mechanical Engineering; Lighting; Heating 10 Expired
US9903173B1 Connection for a pressurized fluid flow path Fixed Constructions 2 Active

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