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Inventor

Helmut Riemscheid

Inventor
Lohmar, DE

Overview

13→
Patents
1983–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%
F01LCyclically operating valves for machines or engines13%
F16HGearing13%
F16DCouplings for transmitting rotation10%
F16JPistons10%
B23PMetal-working not otherwise provided for7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B23KSoldering or unsoldering3%
B24BMachines, devices, or processes for grinding or polishing3%
PatentTitleYear
5,664,463'Camshaft assembly with shaft elements positioned one inside the other and method of producing same'19975,577,420'Cam shaft for internal combustion engine'19965,388,814'Device for hydraulic expansion'19955,165,303'Cam shaft for internal combustion engine'19925,101,554'Process for producing an assembled camshaft as well as assembled camshaft consisting of a shaft tube and slid-on elements'19925,057,057'Continuously controllable drive'19915,055,096'Differential gearing'19915,054,182'Assembly device for assembling camshafts'19915,054,756'Device for hydraulic expansion'19914,841,679'Method and apparatus for manufacturing cam elements'19894,456,269'Sealing boot for universal joint assembly'19844,403,781'Sealing assembly for universal joint'19834,369,979'Sealing boot arrangement for a universal joint'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1984Patents assigned to UNI CARDAN AG (3)· patent assignee history
1983–1997Based in Lohmar, DE· patent location history
1989–1995Patents assigned to EMITEC EMISSIONSTECHNOLOGIE (5)· patent assignee history
1991–1992Patents assigned to GKN AUTOMOTIVE AG (3)· patent assignee history
1991–1992Based in Wahlscheid, DE· patent location history
1991Based in Lohmer, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMITEC EMISSIONSTECHNOLOGIE51989–1995
GKN AUTOMOTIVE AG31991–1992
UNI CARDAN AG31983–1984
Locations
LocationPatentsSpan
Lohmar, DE101983–1997
Wahlscheid, DE21991–1992
Lohmer, DE11991