Inventor
David Yang
Inventor
Moraga, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Bprimary
B62BHand-propelled vehicles, e.g. hand carts or perambulators11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A47GHousehold or table equipment6%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
B42FSheets temporarily attached together6%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%
D04BKnitting6%
D10BIndexing scheme associated with sublasses of section d, relating to textiles6%
G06FElectric digital data processing6%
PatentTitleYear
D0896019Air fry oven202010,669,655Seamless knit enclosure for headphones20207,841,615'Foldable telescope golf cart having a balancing mechanism'20107,222,833'Picture frame hanger'20076,845,903'Stackable & foldable paperboard file tray'20056,445,369'Light emitting diode dot matrix display system with audio output'20025,667,239'Adjustable balancing mechanism for foldable telescope golf cart'19974,997,305'Locking mechanism'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to YANG DAVID Y (1)· patent assignee history
1991Based in Taipei, TW· patent location history
1997–2010Patents assigned to YANG DAVID (3)· patent assignee history
1997–2010Based in Moraga, CA, US· patent location history
2002Patents assigned to UNIV HONG KONG (1)· patent assignee history
2002Based in Menlo Park, CA, US· patent location history
2020Patents assigned to HAMILTON BEACH BRANDS INC (1)· patent assignee history
2020Patents assigned to SR HOMEDICS LLC (1)· patent assignee history
2020Based in Henrico, VA, US· patent location history
2020Based in Farmington Hills, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YANG DAVIDself | 3 | 1997–2010 |
| HAMILTON BEACH BRANDS INC | 1 | 2020 |
| SR HOMEDICS LLC | 1 | 2020 |
| UNIV HONG KONG | 1 | 2002 |
| YANG DAVID Yself | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Moraga, California, US | 4 | 1997–2010 |
| Henrico, Virginia, US | 1 | 2020 |
| Farmington Hills, MI, US | 1 | 2020 |
| Menlo Park, California, US | 1 | 2002 |
| Taipei, TW | 1 | 1991 |