Inventor
Thomas J. Casper
Inventor
Waukesha, WI, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC07primary
LOC0719%
B01DSeparation14%
B01FMixing, e.g. dissolving, emulsifying or dispersing11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B67DDispensing, delivering or transferring liquids, not otherwise provided for5%
C02FTreatment of water, waste water, sewage, or sludge5%
C12GWine5%
C12HPasteurisation, sterilisation, preservation, purification, clarification or ageing of alcoholic beverages5%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
D0845703Venturi device2019D0838544Venturi device2019D0838542Venturi device2019D0838543Venturi device2019D0833218Venturi device2018D0798659'Venturi device'20179,643,137'Venturi device and method'2017D0778667'Venturi device'20179,415,355'Venturi device and method'20168,002,249'Strip diffuser'20117,255,333'Strip diffuser'20075,961,247'Mechanism for the detachable attachment of a bladed wheel to a turbomachine'19995,423,980'Wastewater treatment apparatus with ice resistant adjustable friction drive'19955,250,178'Buoyant ceiling wiper for stacked tank clarifier'19934,950,398'Cantilevered flight attachment for non-metallic chain'19904,863,418'Non-metallic chain including wound composite chain links and molded pins'19894,631,974'Polymeric split sprocket wheel'19864,620,927'Polymeric microscreen support wheel and assembly'19864,294,700'Submerged large diameter seal'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1995Patents assigned to ENVIREX (7)· patent assignee history
1981–2019Based in Waukesha, WI, US· patent location history
1999Based in Theley, DE· patent location history
2007–2011Patents assigned to ITT MFG ENTERPRISES INC (2)· patent assignee history
2016–2019Patents assigned to CASPER JEFFREY (9)· patent assignee history
2016–2019Patents assigned to CASPER THOMAS J (8)· patent assignee history
2017Patents assigned to CASPER THOMAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASPER JEFFREY | 9 | 2016–2019 |
| CASPER THOMAS Jself | 8 | 2016–2019 |
| ENVIREX | 7 | 1981–1995 |
| ITT MFG ENTERPRISES INC | 2 | 2007–2011 |
| CASPER THOMASself | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waukesha, WI, US | 18 | 1981–2019 |
| Theley, DE | 1 | 1999 |