Lance Richman
6Patents
4h-index
11Co-inventors
50Inventor score
Filing activity: Jul 19, 2000 → Aug 11, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6446739B1 | Rock drill bit with neck protection | Fixed Constructions | 48 | Expired |
| US8241556B2 | Rotary holding device for gripping tool material at elevated temperatures through multiple collar assembly | Performing Operations; Transporting | 12 | Active |
| US7086488B2 | Cutting element having enhanced cutting geometry | Fixed Constructions | 8 | Expired |
| US7237627B2 | Bearing and lubrication system for earth boring bit | Fixed Constructions | 5 | Expired |
| US7416035B2 | Shaped inserts with increased retention force | Fixed Constructions | 1 | Expired |
| US7540340B2 | Cutting element having enhanced cutting geometry | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.