Inventor
Walter Schumacher
Inventor
Aachen, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D06Bprimary
D06BTreating textile materials using liquids, gases or vapours22%
A61BDiagnosis6%
B60TVehicle brake control systems or parts thereof6%
B60WConjoint control of vehicle sub-units of different type or different function6%
B62DMotor vehicles6%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%
C22CAlloys6%
F16KValves6%
H01HElectric switches6%
H01RElectrically-conductive connections6%
PatentTitleYear
10,340,813Electronic power converter and computer program20197,451,020'Vehicle control system'20086,474,110'Spiral steamer'20026,314,771'Device for applying a patterning agent to a line'20016,195,824'Process and device for treatment of a web, particularly a textile web'20015,878,974'Device for winding a textile web'19995,195,532'Apparatus for producing a stimulation by vibration of a tappet which is put on a human\'s skin'19934,713,531'Heating element for textiles'19874,432,793'Ferroalloy for the treatment of cast metals and process'1984D0262261'Combined switchplate, switches and indicator panel therefor'19813,967,873'Wire terminal electrical contact'19763,944,773'AC switch with cantelever contact and balance springs'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to GEN ELECTRIC (2)· patent assignee history
1976–1981Based in Warwick, RI, US· patent location history
1984Patents assigned to NOBEL BOZEL (1)· patent assignee history
1984Based in Dusseldorf, DE· patent location history
1987Patents assigned to GIRMES WERKE AG (1)· patent assignee history
1987Based in Nettetal, DE· patent location history
1993–2019Based in Ohrum, DE· patent location history
1999–2002Patents assigned to KUESTERS EDUARD MASCHF (4)· patent assignee history
1999–2002Based in Aachen, DE· patent location history
2008Patents assigned to GOETTING KG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KUESTERS EDUARD MASCHF | 4 | 1999–2002 |
| GEN ELECTRIC | 2 | 1976–1981 |
| GIRMES WERKE AG | 1 | 1987 |
| GOETTING KG | 1 | 2008 |
| NOBEL BOZEL | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aachen, DE | 4 | 1999–2002 |
| Ohrum, DE | 3 | 1993–2019 |
| Warwick, RI, US | 3 | 1976–1981 |
| Nettetal, DE | 1 | 1987 |
| Dusseldorf, DE | 1 | 1984 |