Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771793 | Downhole apparatus, device, assembly and method | William Brown-Kerr, Bruce McGarian | 2017-09-26 |
| 9243492 | Downhole apparatus, device, assembly and method | — | 2016-01-26 |
| 7484573 | Slip grip drilling tool | Craig D. Mackay, James A. Hewson | 2009-02-03 |
| 7430153 | Downhole tool and method | William Brown-Kerr, John Knight | 2008-09-30 |
| 7387167 | Insulating device and assembly | William Brown-Kerr, John Knight | 2008-06-17 |
| 7000705 | Hydraulic setting tool with pressure multiplier | Mark Buyers, David Forsythe | 2006-02-21 |
| D499256 | Bathroom hook | Ferdinand A. Porsche, Christian Schwamkrug | 2004-12-07 |
| D493211 | Shower faucet | Ferdinand A. Porsche, Christian Schwamkrug | 2004-07-20 |
| D492390 | Bathtub faucet | Ferdinand A. Porsche, Christian Schwamkrug | 2004-06-29 |
| D490503 | Sink faucet | Ferdinand A. Porsche, Christian Schwamkrug | 2004-05-25 |
| D489559 | Towel bar | Ferdinand A. Porsche, Christian Schwamkrug | 2004-05-11 |
| D487923 | Spigot | Ferdinand A. Porsche, Christian Schwamkrug | 2004-03-30 |
| D482760 | Faucet handle | Ferdinand A. Porsche, Christian Schwamkrug | 2003-11-25 |
| D468004 | Sink | Ferdinand A. Porsche | 2002-12-31 |
| 6345669 | Reciprocating running tool | Mark Buyers | 2002-02-12 |
| 5811894 | Safety module | Mark Buyers | 1998-09-22 |
| D366257 | Mobile phone | Ferdinand A. Porsche | 1996-01-16 |
| D366258 | Mobile phone | Ferdinand A. Porsche | 1996-01-16 |
| D307060 | Suspended lamp | — | 1990-04-03 |
| D285697 | Eyeglasses | Ferdinand A. Porsche, Dirk Schmauser | 1986-09-16 |