Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047486 | Expanding gate valve | Keith David Farquharson, Thomas Gust, Tony Lam, Andrew F. Masson | 2021-06-29 |
| 9243469 | Blowout preventer and rams | Tony Lam, Keith David Farquharson | 2016-01-26 |
| 8960276 | Wellhead seal device to seal casing | Heinrich Lang, Tony Lam | 2015-02-24 |
| 8807516 | Blowout preventer with rope packing seal | Tony Lam | 2014-08-19 |
| 8783643 | Blowout preventer and rams | Tony Lam, Keith David Farquharson | 2014-07-22 |
| 8066061 | Metal seal for wellheads | Keith David Farquharson, Heinrich Lang, Tony Lam, Kevin P. Schneider | 2011-11-29 |
| 7562859 | Gate valve with tongue and groove or bridging seal to annular seat elements | Tony Lam, Andrew F. Masson, Glen Murray Eleniak | 2009-07-21 |