Inventor
David Rice
Inventor
Port Washington, WI, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge25%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management20%
B01DSeparation15%
G08BSignalling systems, e.g. personal calling systems10%
A61BDiagnosis5%
B03DFlotation5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
G05DSystems for controlling or regulating non-electric variables5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
10,884,271Lens masking system for a vehicle202110,005,687Dissolved air flotation system20188,508,373'Fluid leak detection and alarm'20137,481,937'Methods and systems for treating wastewater using ozone activated flotation'20097,476,322'Process and energy-efficient biological treatment system with filtration membrane'20097,179,370'Energy-efficient biological treatment system with filtration membrane'20077,118,674'Energy-efficient biological treatment with membrane filtration'20066,028,509'Voice activated vehicle alarm system'20004,365,343'Counterweighted X-ray tube'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Based in Antelope, CA, US· patent location history
2006–2009Patents assigned to ITT MFG ENTERPRISES INC (3)· patent assignee history
2006–2013Based in Port Washington, WI, US· patent location history
2009Patents assigned to HEAVY INDUSTRY TECHNOLOGY SOLU (1)· patent assignee history
2009Based in San Isidro de General, CR· patent location history
2013Patents assigned to FISH DANIEL (1)· patent assignee history
2013Patents assigned to RICE DAVID (1)· patent assignee history
2018Patents assigned to HYDRO TREAT TECHNOLOGIES LP (1)· patent assignee history
2018Based in Vero Beach, FL, US· patent location history
2021Based in Pittsburgh, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITT MFG ENTERPRISES INC | 3 | 2006–2009 |
| FISH DANIEL | 1 | 2013 |
| HEAVY INDUSTRY TECHNOLOGY SOLU | 1 | 2009 |
| HYDRO TREAT TECHNOLOGIES LP | 1 | 2018 |
| RICE DAVIDself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Port Washington, WI, US | 4 | 2006–2013 |
| Pittsburgh, Pennsylvania, US | 1 | 2021 |
| Vero Beach, Florida, US | 1 | 2018 |
| San Isidro de General, CR | 1 | 2009 |
| Antelope, California, US | 1 | 2000 |