Inventor
Horst Stinnertz
Inventor
Willich, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal58%
Y10TTechnical subjects covered by former us classification16%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling11%
B22DCasting of metals5%
C23CCoating metallic material5%
F16FSprings5%
PatentTitleYear
7,082,799'Drive system for a rolling mill'20066,205,833'Cold pilger rolling tool for producing internally ribbed tubes'20016,023,831'Process for producing metal-sheathed strands, especially glass fiber cables'20005,921,128'Method and apparatus for cold rolling tubes'19995,916,320'Method for manufacturing tubes using the cold pilger rolling method'19995,778,718'Process for rolling tubes'19985,771,727'Process and device for straight-drawing long drawing material in multiple steps'19985,125,253'Cold pilgrim rolling'19925,022,250'Method of pilgrim step rolling'19914,966,022'Method and apparatus for lubricating the mandrel upon the manufacture of seamless tubes by the cold pilger process'19904,777,995'Making a hollow of rotational symmetry'19884,445,354'Procedure and equipment for the manufacture of pipes with external and internal diameters varying in stages'19844,386,512'Pilger tube rolling mill'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2006Based in Willich, DE· patent location history
1984Patents assigned to PFEIFFER GERD (1)· patent assignee history
1984Patents assigned to STINNERTZ HORST (1)· patent assignee history
1988–2000Patents assigned to MANNESMANN AG (9)· patent assignee history
2001Patents assigned to SMS DEMAG AG (1)· patent assignee history
2006Patents assigned to SMS MEER GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MANNESMANN AG | 9 | 1988–2000 |
| PFEIFFER GERD | 1 | 1984 |
| SMS DEMAG AG | 1 | 2001 |
| SMS MEER GMBH | 1 | 2006 |
| STINNERTZ HORSTself | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Willich, DE | 13 | 1983–2006 |