Inventor

Josef Kern

Inventor

Berlin, DE

Overview

26→

Patents

1977–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 26 as inventor

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

H01Hprimary

H01HElectric switches43%

Y10TTechnical subjects covered by former us classification11%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%

F25BRefrigeration machines, plants or systems7%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact7%

H01FMagnets5%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles2%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material2%

PatentTitleYear

6,674,353'Magnet system for a relay'2004 6,536,512'Heat exchanger block'2003 6,272,734'Process for manufacturing an electromagnetic relay'2001 6,266,867'Method of making a relay'2001 6,252,479'Electromagnetic relay and process for producing the same'2001 6,225,880'Electromagnetic relay'2001 6,218,614'Electrical component'2001 6,078,491'Hybrid relay'2000 6,040,751'Battery section switch'2000 5,936,496'Electromagnetic relay'1999 5,911,588'Arrangement of a relay on a plug base'1999 5,896,075'Electromagnetic relay for high thermal load'1999 5,889,451'electromagnetic relay and its use on a printed circuit board'1999 5,850,170'Electromagnetic differential current trigger'1998 5,521,574'Coil for an electromagnetic relay'1996 5,382,934'Electromagnetic changeover relay'1995 5,324,901'Contact device for a changer relay'1994 5,099,654'Method for controlling a motor vehicle air conditioning system'1992 4,745,967'Heat exchanger, particularly a refrigerant evaporator'1988 4,682,133'Electro-magnetic relay having two armatures'1987 4,647,743'Contact arrangement for a high breaking capacity relay'1987 4,586,566'Arrangement for joining the tubes of a heat exchanger core with a connecting box particularly for evaporators'1986 4,452,850'Roofing web coated with plasticized polyvinyl chloride on both sides'1984 4,448,319'Screw cap'1984 4,430,868'Evaporator particularly suitable for air conditioners in automotive vehicles'1984 4,020,437'Relay having two winding supports'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2001Patents assigned to SIEMENS AG (12)· patent assignee history

1977–2004Based in Berlin, DE· patent location history

1984–1992Patents assigned to SUEDDEUTSCHE KUEHLER BEHR (4)· patent assignee history

1984Patents assigned to EVEN GERT (1)· patent assignee history

1984–2003Based in Alfdorf, DE· patent location history

1984Based in Leverkusen, DE· patent location history

1984Based in Hainburg, DE· patent location history

1986Based in Stuttgart, DE· patent location history

2001–2004Patents assigned to TYCO ELECTRONICS LOGISTICS AG (4)· patent assignee history

2003Patents assigned to BEHR GMBH & CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	12	1977–2001
SUEDDEUTSCHE KUEHLER BEHR	4	1984–1992
TYCO ELECTRONICS LOGISTICS AG	4	2001–2004
BEHR GMBH & CO	1	2003
EVEN GERT	1	1984

Locations

Location	Patents	Span
Berlin, DE	19	1977–2004
Alfdorf, DE	4	1984–2003
Stuttgart, DE	1	1986
Leverkusen, DE	1	1984
Hainburg, DE	1	1984