Inventor
William Chou
Inventor
Taichung, TW
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics21%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts21%
Y10TTechnical subjects covered by former us classification14%
B01DSeparation10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
C08JWorking-up3%
H01RElectrically-conductive connections3%
PatentTitleYear
11,090,775Adaption device for mounting fixture20217,374,679'Asymmetric porous polytetrafluoroethylene membrane for a filter'20087,309,663'Asymmetric porous polytetrafluoroethylene membrane for clothing'20076,852,223'Asymmetric porous polytetrafluoroethylene membrane and process for preparing the same'20056,702,971'Production method of a polytetrafluoroethylene sheet or film'20046,080,472'Porous polytetrafluoroethylene molded article'20005,102,348'Lamp socket switch power line fastening structure'19925,098,625'Process for forming an expanded porous tetrafluoroethylene polymer'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2008Patents assigned to YEU MING TAI CHEMICAL IND CO L (6)· patent assignee history
1992Patents assigned to CHOU W B (1)· patent assignee history
1992Based in Taipei City, US· patent location history
1992Based in Taipei, TW· patent location history
2000–2021Based in Taichung, TW· patent location history
2021Patents assigned to CHOU WEN HSIANG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YEU MING TAI CHEMICAL IND CO L | 6 | 1992–2008 |
| CHOU W Bself | 1 | 1992 |
| CHOU WEN HSIANGself | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 6 | 2000–2021 |
| Taipei City, US | 1 | 1992 |
| Taipei, TW | 1 | 1992 |