Inventor

Bernhard Kirsch

Inventor

5500 Trier-Biewer, DE

Overview

1977–2006

Patent span

Human necessities

Primary field (CPC A)

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

A63Cprimary

A63CSkates32%

A43BCharacteristic features of footwear14%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates5%

F01LCyclically operating valves for machines or engines5%

F02DControlling combustion engines5%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%

F16KValves5%

G01FMeasuring volume, volume flow, mass flow or liquid level5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

H01FMagnets5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to KIRSCH BERNHARD (11)· patent assignee history

1977–1984Based in 5500 Trier-Biewer, DE· patent location history

1980Patents assigned to WENER JOSEF (1)· patent assignee history

1986–1987Based in Trier, DE· patent location history

1996Based in Lampertheim, DE· patent location history

2001Patents assigned to HYDAC FILTERTECHNIK GMBH (1)· patent assignee history

2001–2005Based in Mandelbachtal, DE· patent location history

2004–2006Patents assigned to CATERPILLAR INC (2)· patent assignee history

2005Patents assigned to THOMAS MAGNETE GMBH (1)· patent assignee history

2006Based in Herdorf, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations