Clapham; William Stephen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Clapham; William Stephen.The latest application filed is for "cutter tool".
- Clapham; William Stephen - Barnsley GB
- Clapham; William Stephen - Sheffield GB
| Patent | Date |
|---|---|
| Mineral winning pick, pick holder, and combination Grant 10,724,369 - Torres Delgado , et al. | 2020-07-28 |
| Cutter tool Grant 9,206,686 - Ball , et al. December 8, 2 | 2015-12-08 |
| Cutter Tool App 20150028655 - Ball; Brett ; et al. | 2015-01-29 |
| Mineral Winning Pick, Pick Holder, And Combination App 20140368022 - Torres Delgado; Roberto de Jesus ; et al. | 2014-12-18 |
| Cutting Chain App 20140312679 - Clapham; William Stephen ; et al. | 2014-10-23 |
| Rotary cutting head with water supply Grant 6,840,585 - Clapham , et al. January 11, 2 | 2005-01-11 |
| Rotary cutting head for a mining etc machine App 20030137184 - Clapham, William Stephen ; et al. | 2003-07-24 |
| Point attack tooling system for mineral winning Grant 6,099,081 - Warren , et al. August 8, 2 | 2000-08-08 |
| Sleeve for tooling system for mineral winning Grant D420,013 - Warren , et al. February 1, 2 | 2000-02-01 |
| Sleeve for tooling system for mineral winning Grant D413,126 - Warren , et al. August 24, 1 | 1999-08-24 |
| Hydraulic circuit Grant 5,744,034 - Clapham , et al. April 28, 1 | 1998-04-28 |
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