Inventor
Hans Buchmann
Inventor
Oetwil am See, CH
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Kprimary
G06KGraphical data reading18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C08LCompositions of macromolecular compounds12%
G07BTicket-issuing apparatus12%
G07CTime or attendance registers12%
H01BCables12%
H01FMagnets12%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,555,601'Process for impregnating electrical coils, and selected epoxy composition for carrying out the impregnation'20036,103,157'Process for impregnating electrical coils'20004,337,890'Method of preparing and processing receipts for customers of parking lots or the like'19824,257,551'Apparatus for preparing and processing receipts for customers of parking lots or the like'19814,257,291'Apparatus for making holes in moving cards or the like'19814,232,484'Apparatus for moving toll bars or the like'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1982Patents assigned to ZUEHLKE ENGINEERING AG (4)· patent assignee history
1980–1982Based in Oetwil am See, CH· patent location history
2000Patents assigned to CIBA SC HOLDING AG (1)· patent assignee history
2000–2003Based in Schopfheim, DE· patent location history
2003Patents assigned to VANTICO INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZUEHLKE ENGINEERING AG | 4 | 1980–1982 |
| CIBA SC HOLDING AG | 1 | 2000 |
| VANTICO INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oetwil am See, CH | 4 | 1980–1982 |
| Schopfheim, DE | 2 | 2000–2003 |