William David Breach
9Patents
6h-index
6Co-inventors
56Inventor score
Filing activity: Mar 7, 1985 → Sep 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5430087A | Carbon black pair with different particle size and improved rubber stock | Chemistry; Metallurgy | 59 | Expired |
| US5294253A | Carbon black system and improved rubber stock | Chemistry; Metallurgy | 35 | Expired |
| US5713581A | Fibrous seal for blowout preventer | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4575522A | Rubber composition for geothermal application | Chemistry; Metallurgy | 16 | Expired |
| US5100950A | Rubber and fluorocarbon micropowder composition | Chemistry; Metallurgy | 10 | Expired |
| US4684687A | Chemical and heat resistant rubber composition | Chemistry; Metallurgy | 9 | Expired |
| US9758658B2 | Enhanced oilfield swellable elastomers and methods for making and using same | Chemistry; Metallurgy | 5 | Active |
| US10604693B2 | High water and brine swell elastomeric compositions and method for making and using same | Chemistry; Metallurgy | 2 | Active |
| US8912256B2 | Swellable material using soy spent flakes | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.