Inventor
Hans R. E. Frankfort
Inventor
Kinston, NC, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons20%
D02GCrimping or curling fibres, filaments, threads, or yarns20%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons18%
D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification9%
A63FCard, board, or roulette games2%
D04HMaking textile fabrics, e.g. from fibres or filamentary material2%
PatentTitleYear
6,444,151'Apparatus and process for spinning polymeric filaments'20025,885,909'Low or sub-denier nonwoven fibrous structures'19995,827,464'Making high filament count fine filament polyester yarns'19985,741,587'High filament count fine filament polyester yarns'19985,691,057'Polyester mixed yarns with fine filaments'19975,645,936'Continuous filaments, yarns, and tows'19975,585,182'Process for polyester fine hollow filaments'19965,505,894'Process of making spin-oriented, biconstituent filaments'19965,487,859'Process of making fine polyester hollow filaments'19965,417,902'Process of making polyester mixed yarns with fine filaments'19955,407,621'Process for preparing polyester fine filaments'19955,384,082'Process of making spin-oriented polyester filaments'19955,288,553'Polyester fine filaments'19945,250,245'Process for preparing polyester fine filaments'19935,223,198'Process of making mixed shrinkage yarn'19934,195,051'Process for preparing new polyester filaments'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2002Patents assigned to DU PONT (16)· patent assignee history
1980–2002Based in Kinston, NC, US· patent location history
1993Based in Greenville, NC, US· patent location history
1997–1999Based in Winterville, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 16 | 1980–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kinston, NC, US | 13 | 1980–2002 |
| Winterville, NC, US | 2 | 1997–1999 |
| Greenville, NC, US | 1 | 1993 |