Douglas Alexander CHALMERS
Inventor
Stats
- 0 US patents issued
- 7 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 0 US Patents Issued
- 7 US Applications Filed
- 45 Total Citation Count
- Aug 1, 2024 Most Recent Filing
- Jun 18, 2015 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ROLLS-ROYCE PLC | 1
| 2015
|
| Fox Factory, Inc. | 1
| 2017
|
Inventor Addresses
| Address | Duration |
|---|---|
| Abderdeen, GB | Jan 14, 16 - Feb 18, 20 |
| Burnaby, CA | Oct 12, 17 - Mar 13, 25 |
| North Vancouver, CA | Dec 29, 22 - Nov 26, 24 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B22D: | CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES | 4 |
| B28B: | SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER | 4 |
| B62M: | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | 6 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2025/0084,920 | 2025 | BICYCLE FRONT SPROCKET | 0 |
| 12151780 | 2024 | Seal structures | 0 |
| 12145691 | 2024 | Crank impact and wear protection article | 0 |
| 12060928 | 2024 | Bicycle front sprocket | 0 |
| 11788615 | 2023 | Bicycle front sprocket | 0 |
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