Inventor
Vincent Lau
Inventor
Fenton, MO, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning43%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body14%
B63BShips or other waterborne vessels7%
B63HMarine propulsion or steering7%
E04HBuildings or like structures for particular purposes7%
F16KValves7%
LOC157%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
9,788,699'Liquid extraction cleaning device and method'20179,788,700'Liquid extraction cleaning device and method'20179,717,386'Liquid extraction cleaning device'20179,706,893'Liquid extraction cleaning device and method'20179,538,893'Liquid extraction cleaning device'20179,282,869'Liquid extraction cleaning device and method'2016D0674978'Handheld vacuum tool attachment'20136,648,004'Air valve for inflatable article'20036,500,034'Water bicycle'20026,412,123'Portable spa'20026,357,059'Portable spa'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to PLEASURE TIME PRODUCTS HONG KO (2)· patent assignee history
2002–2003Based in Hong Kong, CN· patent location history
2002Based in Sheung Shui, NT Hong Kong, HK· patent location history
2013Patents assigned to HILL JASON E (1)· patent assignee history
2013Patents assigned to LAU VINCENT (1)· patent assignee history
2013Patents assigned to OSTENDORF CHARLES (1)· patent assignee history
2013Based in St. Peters, MO, US· patent location history
2016–2017Patents assigned to RUG DOCTOR LLC (6)· patent assignee history
2016–2017Based in Fenton, MO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RUG DOCTOR LLC | 6 | 2016–2017 |
| PLEASURE TIME PRODUCTS HONG KO | 2 | 2002–2003 |
| HILL JASON E | 1 | 2013 |
| LAU VINCENTself | 1 | 2013 |
| OSTENDORF CHARLES | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fenton, MO, US | 6 | 2016–2017 |
| Hong Kong, CN | 3 | 2002–2003 |
| St. Peters, MO, US | 1 | 2013 |
| Sheung Shui, NT Hong Kong, HK | 1 | 2002 |