Inventor
Johnson Hsu
Inventor
Framingham, MA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation15%
F24FAir-conditioning15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
F04DNon-positive-displacement pumps12%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general12%
Y10TTechnical subjects covered by former us classification12%
E03DWater-closets or urinals with flushing devices8%
A47LDomestic washing or cleaning4%
LOC304%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
PatentTitleYear
10,806,314Wet floorcare robot cleaner tank latch20207,979,923'Urinal deodorizer set'2011D0612554'Litter box with air filter'20107,350,773'Vortex humidifier'20087,088,913'Baseboard/upright heater assembly'20066,948,193'Lavatory cleanser dispensing device'20056,321,034'Pivotable heater'20016,214,074'Odor/air purifier mountable under a kitchen cabinet'20015,997,674'Air purifier and method of manufacture'19995,893,939'Air purifier and filter assembly therefor'19995,761,377'Tower type portable radiant heater'19985,660,605'Window fan'19975,613,833'Quick release tilt adjustment mechanism'19975,431,544'Tiltable fan assembly'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to HOLMES PRODUCTS CORP (6)· patent assignee history
1995–2010Based in Framingham, MA, US· patent location history
1997Based in Framington, MA, US· patent location history
2001Patents assigned to HOLMES GROUP INC (2)· patent assignee history
2005–2011Patents assigned to HSU JOHNSON J Y (2)· patent assignee history
2005–2011Based in Taichung, TW· patent location history
2008–2010Patents assigned to SUNBEAM PRODUCTS INC (2)· patent assignee history
2020Patents assigned to IROBOT CORP (1)· patent assignee history
2020Based in Sudbury, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOLMES PRODUCTS CORP | 6 | 1995–1999 |
| HOLMES GROUP INC | 2 | 2001 |
| HSU JOHNSON J Yself | 2 | 2005–2011 |
| SUNBEAM PRODUCTS INC | 2 | 2008–2010 |
| IROBOT CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Framingham, Massachusetts, US | 10 | 1995–2010 |
| Taichung, TW | 2 | 2005–2011 |
| Sudbury, Massachusetts, US | 1 | 2020 |
| Framington, Massachusetts, US | 1 | 1997 |