Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472255 | Fluid metering system | Ian C. Black, Charles D. Black, Steven E. Hayden | 2019-11-12 |
| 10144653 | Fluid metering system | Charles D. Black, Steven E. Hayden | 2018-12-04 |
| 7441363 | Gun bore cleaning system | Charles D. Black | 2008-10-28 |
| 7367151 | Gun bore cleaning system | Charles D. Black, Robert J. Black | 2008-05-06 |
| 6481583 | Tool holder system | Charles D. Black | 2002-11-19 |
| 5927635 | Rotatable handle for disposable spool | Robert J. Black, Ronald L. Black, Charles D. Black | 1999-07-27 |
| 5664739 | Rotatable handle for disposal spool | Robert J. Black, Ronald L. Black | 1997-09-09 |
| 5566934 | Baseball trainer | Charles D. Black | 1996-10-22 |
| 4780982 | Fishing line dispenser | Ronald L. Black | 1988-11-01 |
| 4619772 | Method and material for increasing viscosity and controlling of oil well drilling and work-over fluids | James Black | 1986-10-28 |
| 4189243 | In-line mud shearing apparatus | — | 1980-02-19 |