LAI; Wei-Tang
Patent Applications and Registrations
Patent applications and USPTO patent grants for LAI; Wei-Tang.The latest application filed is for "mechanical seal with a seal face having channels".
- LAI; Wei-Tang - Hoffman Estates IL
| Patent | Date |
|---|---|
| Mechanical Seal With A Seal Face Having Channels App 20210254721 - LAI; Wei-Tang | 2021-08-19 |
| Mechanical seal ring assembly with hydrodynamic pumping mechanism Grant 7,377,518 - Lai May 27, 2 | 2008-05-27 |
| Mechanical seal ring assembly with hydrodynamic pumping mechanism App 20050263963 - Lai, Wei-Tang | 2005-12-01 |
| Mechanical end face seal ring having a compliant seal face Grant 6,299,173 - Lai October 9, 2 | 2001-10-09 |
| Pressure responsive primary ring geometry for a non-contacting mechanical end face seal Grant 5,681,047 - Klostermann , et al. October 28, 1 | 1997-10-28 |
| Face seal with double spiral grooves Grant 5,201,531 - Lai April 13, 1 | 1993-04-13 |
| Spiral groove seal arrangement for high vapor-pressure liquids Grant 5,071,141 - Lai , et al. December 10, 1 | 1991-12-10 |
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