Wu; Kuei-Kun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Kuei-Kun.The latest application filed is for "auto-feed pipe cleaner".
- Wu; Kuei-Kun - Kaohsiung TW
- WU; Kuei-Kun - Kaohsiung City TW
- Wu; Kuei-Kun - Gangshang Township TW
| Patent | Date |
|---|---|
| Pipe cleaning brush Grant 11,425,988 - Wu August 30, 2 | 2022-08-30 |
| Auto-feed Pipe Cleaner App 20220203414 - WU; Kuei-Kun | 2022-06-30 |
| Reciprocating Pump-type Pipe Dredging Device App 20220170250 - WU; Kuei-Kun | 2022-06-02 |
| Repairing Tool For Electric Wire Threading Head App 20220161340 - WU; Kuei-Kun | 2022-05-26 |
| Pipe Cleaning Brush App 20210368971 - WU; Kuei-Kun | 2021-12-02 |
| Grip of conduit dredge Grant D928,430 - Wu August 17, 2 | 2021-08-17 |
| Conduit dredge Grant D927,801 - Wu August 10, 2 | 2021-08-10 |
| Conduit Dredge App 20190329302 - WU; Kuei-Kun | 2019-10-31 |
| Sucker for conduit dredge Grant D844,910 - Wu | 2019-04-02 |
| Handle for conduit dredge Grant D839,507 - Wu Ja | 2019-01-29 |
| Handle bar for conduit dredge Grant D838,927 - Wu Ja | 2019-01-22 |
| Conduit dredge Grant D836,869 - Wu Dec | 2018-12-25 |
| Grip of conduit dredge Grant D834,268 - Wu November 20, 2 | 2018-11-20 |
| Conduit dredge Grant D807,730 - Wu January 16, 2 | 2018-01-16 |
| Plunger Grant D688,840 - Wu August 27, 2 | 2013-08-27 |
| Plumbing snake handle Grant D618,407 - Wu June 22, 2 | 2010-06-22 |
| Sink plunger Grant D613,468 - Kosasih , et al. April 6, 2 | 2010-04-06 |
| Hydraulic plumber's friend Grant 7,073,211 - Wu July 11, 2 | 2006-07-11 |
| Drain cleaner strip Grant D518,252 - Wu March 28, 2 | 2006-03-28 |
| Snake App 20050028307 - Wu, Kuei-Kun | 2005-02-10 |
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