Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018522 | Magnetic levitating door | — | 2024-06-25 |
| 11887165 | Method, system, and medium for displaying automatically pushing information related to items offered for sale in a network-based marketplace | Jeffrey Loui, David Vogt, Jared Kaplan | 2024-01-30 |
| 11047486 | Expanding gate valve | Keith David Farquharson, Tianle Guo, Thomas Gust, Andrew F. Masson | 2021-06-29 |
| 11021900 | Magnetic levitating door | — | 2021-06-01 |
| 10991008 | Method, system, and medium for displaying automatically pushing information related to items offered for sale in a network-based marketplace | Jeffrey Loui, David Vogt, Jared Kaplan | 2021-04-27 |
| 10597920 | Magnetic levitating door | — | 2020-03-24 |
| 10577844 | Magnetic levitating door | — | 2020-03-03 |
| 10316562 | Magnetic levitating door | — | 2019-06-11 |
| 10113348 | Magnetic levitating door | — | 2018-10-30 |
| 9869586 | Sampling heads for handheld RAMAN spectroscopy devices | Kevin Pan | 2018-01-16 |
| 9639883 | Method and system of displaying information related to items offered for sale in a network-based marketplace | Jeffrey Loui, David Vogt, Jared Kaplan | 2017-05-02 |
| 9243469 | Blowout preventer and rams | Tianle Guo, Keith David Farquharson | 2016-01-26 |
| 8965287 | Battery powered passive keyless entry system for premise entry | — | 2015-02-24 |
| 8960276 | Wellhead seal device to seal casing | Heinrich Lang, Tianle Guo | 2015-02-24 |
| 8807516 | Blowout preventer with rope packing seal | Tianle Guo | 2014-08-19 |
| 8783643 | Blowout preventer and rams | Tianle Guo, Keith David Farquharson | 2014-07-22 |
| 8700491 | Method and system of displaying information related to items offered for sale in a network-based marketplace | Jeffrey Loui, David Vogt, Jared Kaplan | 2014-04-15 |
| 8066061 | Metal seal for wellheads | Keith David Farquharson, Tianle Guo, Heinrich Lang, Kevin P. Schneider | 2011-11-29 |
| 7929131 | Highly compact design for raman spectrometry | ChenChun Wu | 2011-04-19 |
| 7743824 | Method and apparatus for isolating a wellhead for fracturing | Kevin P. Schneider | 2010-06-29 |
| 7673674 | Polish rod clamping device | — | 2010-03-09 |
| 7562859 | Gate valve with tongue and groove or bridging seal to annular seat elements | Andrew F. Masson, Tianle Guo, Glen Murray Eleniak | 2009-07-21 |
| 7552765 | Wellhead blowout preventer with extended ram for sealing central bore | — | 2009-06-30 |
| 7306201 | Gate valve with tongue and groove or bridging seal to annular seat elements | — | 2007-12-11 |
| 7137610 | Wellhead production blowout preventer | — | 2006-11-21 |