Inventor
Helmut Franke
Inventor
Wehrheim, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Dprimary
F16DCouplings for transmitting rotation29%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light14%
A01BSoil working in agriculture or forestry7%
A01DHarvesting7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
8,409,992'Method for producing a polished semiconductor wafer'20137,083,741'Process and device for the wet-chemical treatment of silicon'20066,767,841'Process for producing a semiconductor wafer'20046,516,595'Harvesting machine having an obstacle sensing device'20036,026,840'Hydraulic control system'20006,022,140'Enhanced protective lens cover for an infrared thermometer'20005,795,067'Enhanced protective lens cover for an infrared thermometer'19984,392,557'Mechanical actuating device for a spot-type disc brake'19834,374,551'Mechanical actuating device for a spot-type disc brake'19834,354,581'Mechanical actuating device for a disc brake'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1983Patents assigned to ITT (3)· patent assignee history
1982–2000Based in Wehrheim, DE· patent location history
2000–2003Patents assigned to CLAAS INDUSTRIETECHNIK GMBH (2)· patent assignee history
2000Patents assigned to BRAUN THERMOSCAN (1)· patent assignee history
2000–2003Based in Harsewinkel, DE· patent location history
2004–2013Patents assigned to SILTRONIC AG (3)· patent assignee history
2004–2013Based in Burghausen, DE· patent location history
2013Patents assigned to FRANKE HELMUT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITT | 3 | 1982–1983 |
| SILTRONIC AG | 3 | 2004–2013 |
| CLAAS INDUSTRIETECHNIK GMBH | 2 | 2000–2003 |
| BRAUN THERMOSCAN | 1 | 2000 |
| FRANKE HELMUTself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wehrheim, DE | 5 | 1982–2000 |
| Burghausen, DE | 3 | 2004–2013 |
| Harsewinkel, DE | 2 | 2000–2003 |