Inventor
Purnachandra Pai
Inventor
Birmingham, MI, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus17%
Y10TTechnical subjects covered by former us classification17%
B01FMixing, e.g. dissolving, emulsifying or dispersing8%
B01LChemical or physical laboratory apparatus for general use8%
C03CChemical composition of glasses, glazes or vitreous enamels8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08JWorking-up8%
C23CCoating metallic material8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%
PatentTitleYear
5,077,016'Apparatus for producing gas-air concentrations'19914,773,717'Transparency having a second surface multilayer decorative coating'19884,759,993'Plasma chemical vapor deposition SiO.sub.2-x coated articles and plasma assisted chemical vapor deposition method of applying the coating'19884,702,955'Multilayer decorative coating'19874,159,972'Dissolution of polyurethane foams and re-use of the products therefrom'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to FORD MOTOR CO (1)· patent assignee history
1979Based in Southfield, MI, US· patent location history
1987–1988Patents assigned to OVONIC SYNTHETIC MATERIALS (3)· patent assignee history
1987–1991Based in Birmingham, MI, US· patent location history
1991Patents assigned to MICHIGAN CONS GAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OVONIC SYNTHETIC MATERIALS | 3 | 1987–1988 |
| FORD MOTOR CO | 1 | 1979 |
| MICHIGAN CONS GAS | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Birmingham, MI, US | 4 | 1987–1991 |
| Southfield, MI, US | 1 | 1979 |