Inventor
David Alan Carhart
Inventor
Cary, IL, US
Overview
Patents· 8 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 sludge29%
E03CDomestic plumbing installations for fresh water or waste water29%
B41JTypewriters14%
G09BEducational or demonstration appliances14%
A61BDiagnosis7%
LOC287%
PatentTitleYear
D0927657Cabinet with sink2021D0925705Faucet2021D0912228Cabinet with sink2021D0912226Sink2021D0833027Massage roller20189,994,041System and method for capturing and translating braille embossing20189,050,825'System and method for capturing and translating Braille embossing'20159,017,356'Multi-lancet unit, method and lancet device using the multi-lancet unit, and method of assembling and/or making the multi-lancet unit'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to CARHART DAVID A (2)· patent assignee history
2015–2018Patents assigned to PERKINS SCHOOL FOR THE BLIND (2)· patent assignee history
2015–2021Based in Cary, IL, US· patent location history
2018Patents assigned to CARHART DAVID (1)· patent assignee history
2018Patents assigned to CAVADA GIL (1)· patent assignee history
2021Patents assigned to ELKAY MFG CO (4)· patent assignee history
2021Based in Cary, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELKAY MFG CO | 4 | 2021 |
| CARHART DAVID Aself | 2 | 2015 |
| PERKINS SCHOOL FOR THE BLIND | 2 | 2015–2018 |
| CARHART DAVIDself | 1 | 2018 |
| CAVADA GIL | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cary, Illinois, US | 7 | 2015–2021 |
| Cary, NC, US | 1 | 2021 |