Les Johnson
3Patents
3h-index
8Co-inventors
43Inventor score
Filing activity: Nov 30, 1990 → Jun 17, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6815399B1 | Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone | Chemistry; Metallurgy | 28 | Expired |
| US5378816A | Methods for high purity chromatographic separation of proteins having EGF-like binding domains | Human Necessities | 7 | Expired |
| US5199489A | Method of cementing well casing to avoid gas channelling from shallow gas-bearing formations | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.