Inventor
Qingyu Zeng
Inventor
Columbus, OH, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes18%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons18%
D04HMaking textile fabrics, e.g. from fibres or filamentary material18%
E04BGeneral building constructions18%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates9%
H04NPictorial communication, e.g. television9%
Y10TTechnical subjects covered by former us classification9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to OWENS CORNING FIBERGLAS TECH (2)· patent assignee history
1999Based in Columbus, OH, US· patent location history
2011Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2011Based in Guangdong, CN· patent location history
2017Patents assigned to QUANEX IG SYSTEMS INC (1)· patent assignee history
2017Based in Solon, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OWENS CORNING FIBERGLAS TECH | 2 | 1999 |
| HUAWEI TECH CO LTD | 1 | 2011 |
| QUANEX IG SYSTEMS INC | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbus, OH, US | 2 | 1999 |
| Solon, OH, US | 1 | 2017 |
| Guangdong, CN | 1 | 2011 |