Inventor

Werner Tischer

Inventor

Bobingen, DE

Overview

31→

Patents

1979–1998

Patent span

Performing operations

Primary field (CPC B)

Patents· 31 as inventor

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

B62Dprimary

B62DMotor vehicles40%

Y10TTechnical subjects covered by former us classification26%

C08LCompositions of macromolecular compounds10%

C08JWorking-up4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

F15BSystems acting by means of fluids in general4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B29CShaping or joining of plastics2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

C11DDetergent compositions2%

PatentTitleYear

5,824,741'Impact-resistant thermoplastic moulding compositions'1998 5,747,586'High-impact molding compounds based on polyisobutylene-containing polycarbonate'1998 5,698,622'Stabilisation of ABS graft polymers using dithiodipropionic acid'1997 5,635,560'Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer'1997 5,599,862'Graft polymers with improved surface gloss'1997 5,427,623'Cleaning of machines for the production and processing of plastics'1995 5,086,863'All-wheel steering system for motor vehicles'1992 5,072,802'Control mechanism for two hydraulic adjustment devices supplied via one, each, current branch by a high-pressure pump'1991 5,056,311'Hydrostatic steering device'1991 5,017,422'Cast films of ABS plastics'1991 4,895,891'Mat, elastic-thermoplastic moulding compounds'1990 4,791,016'Stretched polycarbonate films filled with carbon black'1988 4,756,330'Flow divider valve'1988 4,599,262'Electrically conductive polycarbonate laminates and their preparation'1986 4,553,389'Hydrostatic auxiliary steering apparatus'1985 4,553,390'Hydrostatic steering arrangement'1985 4,495,769'Booster power steering'1985 4,488,401'Hydraulic servo steering for vehicles'1984 4,466,243'Hydrostatic power steering system with curved valve return springs'1984 4,395,877'Hydrostatic steering system for motor vehicles'1983 4,371,002'Hydrostatic steering system'1983 4,359,866'Rotatable controller system'1982 4,355,505'Rotatable controller valve'1982 4,354,350'Hydrostatic auxiliary power steering'1982 4,344,283'Hydrostatic auxiliary power steering'1982 4,290,738'Steering valve with spring torsion rod'1981 4,258,752'Control valve with two rotary valve elements supported in a housing and acted upon axially by pressure'1981 4,258,902'Steering valve with annular sealing element for radial annular gap'1981 4,237,773'Pressure medium controller for motor vehicle steering systems'1980 4,184,560'Two-circuit steering arrangement for motor vehicles'1980 4,174,018'Arrangement for control of two hydraulic pressure systems, including booster steering control'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1992Patents assigned to ZAHNRADFABRIK FRIEDRICHSHAFEN (21)· patent assignee history

1979–1985Based in Bobingen, DE· patent location history

1980Based in Unterbobingen, DE· patent location history

1980Based in Boebingen, DE· patent location history

1985–1992Based in Heubach-Lautern, DE· patent location history

1986–1998Patents assigned to BAYER AG (9)· patent assignee history

1986–1998Based in Dormagen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZAHNRADFABRIK FRIEDRICHSHAFEN	21	1979–1992
BAYER AG	9	1986–1998

Locations

Location	Patents	Span
Bobingen, DE	13	1979–1985
Dormagen, DE	10	1986–1998
Heubach-Lautern, DE	6	1985–1992
Unterbobingen, DE	1	1980
Boebingen, DE	1	1980