Powell David James
USPTO Trademark & Patent Filings
Trademark applications and grants for Powell David James. Powell David James has 1 trademark applications. The latest application filed is for "HIDNSCREEN"
- Company Aliases
- Powell, David James
- james david powell
- Powell; David James - Sheffield GB
Trademarks Patents
| Patent Application | Date |
|---|---|
| MAGNETICALLY GEARED APPARATUS AND A POLE PIECE FOR SUCH APPARATUS 20180269770 - 15/754568 Powell; David James ; et al. | 2018-09-20 |
| LARGE MAGNETICALLY GEARED MACHINES 20160087517 - 14/948728 Powell; David James ; et al. | 2016-03-24 |
| APPARATUS AND METHODS FOR MAGNET RETENTION 20160020008 - 14/772516 Powell; David James ; et al. | 2016-01-21 |
| MAGNETICALLY GEARED MACHINE FOR MARINE GENERATION 20130200623 - 13/510495 Powell; David James ; et al. | 2013-08-08 |
| LARGE MAGNETICALLY GEARED MACHINES 20130134815 - 13/698849 Powell; David James ; et al. | 2013-05-30 |
| Magnetically geared apparatus and a pole piece for such apparatus 10,680,502 - 15/754,568 Powell , et al. | 2020-06-09 |
| Apparatus and methods for magnet retention 10,102,953 - 14/772,516 Powell , et al. October 16, 2 | 2018-10-16 |
| Large magnetically geared machines 9,985,512 - 14/948,728 Powell , et al. May 29, 2 | 2018-05-29 |
| Magnetic pole-piece support 9,425,655 - 12/992,150 Calverley , et al. August 23, 2 | 2016-08-23 |
| Magnetic pole-piece support 9,425,655 - 12/992,150 Calverley , et al. August 23, 2 | 2016-08-23 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"HIDNSCREEN" 75574443 |
HIDNSCREEN 1998-11-07 |
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