Inventor
Richard A. Schewe
Inventor
Rockford, IL, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables46%
D01HSpinning or twisting15%
D02HWarping, beaming or leasing15%
B01DSeparation8%
D03DWoven fabrics8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,206,709'Apparatus for sensing yarn movement and for signaling breakage of the yarn'19934,890,368'Warper with tension isolator and tension controller'19904,850,086'Warper with ironing rolls'19894,354,642'Package support apparatus for forming a creeling tail'19824,312,482'Auto-loading tension compensator'19824,138,071'Dual drive for cone winding'19794,133,493'Self-threading tension compensator'19794,036,262'Triaxial weaving machine with warp strand guides'19774,006,033'Trash removal from vacuum system in an open end spinning machine'19773,990,219'Combination structural backbone and air duct'19763,977,168'Modular open end spinning machine'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to BARBER COLMAN CO (8)· patent assignee history
1976–1982Based in Rockford, IL, US· patent location history
1979–1993Based in Loves Park, IL, US· patent location history
1989–1993Patents assigned to REED CHATWOOD INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BARBER COLMAN CO | 8 | 1976–1982 |
| REED CHATWOOD INC | 3 | 1989–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rockford, Illinois, US | 6 | 1976–1982 |
| Loves Park, Illinois, US | 5 | 1979–1993 |