Chen; Chi-Der
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Chi-Der.The latest application filed is for "sterilizer for aquarium".
- Chen; Chi-Der - Taipei TW
| Patent | Date |
|---|---|
| Sterilizer for aquarium Grant 11,440,817 - Chen September 13, 2 | 2022-09-13 |
| Sterilizer For Aquarium App 20210354999 - Chen; Chi-Der | 2021-11-18 |
| Submerged motor for aquarium App 20100043718 - Chen; Chi-Der | 2010-02-25 |
| Bi-directional reversible submersible motor Grant 7,535,139 - Chen May 19, 2 | 2009-05-19 |
| Bi-directional reversible submersible motor App 20080073990 - Chen; Chi-Der | 2008-03-27 |
| Reversible submerged motor App 20070252458 - Chen; Chi-Der | 2007-11-01 |
| Submerged motor App 20070253844 - Chen; Chi-Der | 2007-11-01 |
| Silent device for submerge pump of aquarium App 20050031462 - Chen, Chi-Der | 2005-02-10 |
| Water Pump Motor App 20040115078 - Chen, Chi-Der | 2004-06-17 |
| Water pump motor Grant 6,746,219 - Chen June 8, 2 | 2004-06-08 |
| Submerged motor vane wheel rotation direction control structure Grant 6,719,525 - Chen April 13, 2 | 2004-04-13 |
| External type filter structure for aquarium App 20030205512 - Chen, Chi-Der | 2003-11-06 |
| Submerged motor vane wheel rotation direction control structure App 20030118441 - Chen, Chi-Der | 2003-06-26 |
| Submersible magnetic motor having improved rotary blades Grant 5,877,566 - Chen March 2, 1 | 1999-03-02 |
| Power head assembly for a protein skimmer Grant 5,380,160 - Chen January 10, 1 | 1995-01-10 |
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