Inventor

Wilhelm Koch

Inventor

Bongard, DE

Overview

15→

Patents

1978–2003

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 15 as inventor

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

E03Cprimary

E03CDomestic plumbing installations for fresh water or waste water13%

B61CLocomotives8%

E05FDevices for moving wings into open or closed position8%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof8%

F16DCouplings for transmitting rotation8%

F16KValves8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

Y10TTechnical subjects covered by former us classification8%

A23CDairy products, e.g. milk, butter or cheese4%

B01DSeparation4%

PatentTitleYear

6,641,727'Filter faucet'2003 5,937,892'Sanitary water valve'1999 5,353,096'Guide apparatus for copy masters'1994 5,303,737'Sanitary fitting'1994 4,968,140'Manual device for the determination or measurement of photometric data using a measuring head'1990 4,839,920'Method for determining telephone dial pulse parameters independently of subscriber line length'1989 4,784,368'Self-closing valve for sanitary installations'1988 4,645,350'Densitometer'1987 4,468,887'Window lifting mechanism, particularly for motor vehicles'1984 4,406,089'Cable window driving mechanism for motor vehicles'1983 4,347,258'Process for the preparation of a stable food product from lacteal components'1982 4,312,499'Shock absorber assembly with operationally controlled hydraulic-mechanical damping system'1982 4,135,453'Motorized bogie'1979 4,095,530'Resilient railway drive connection'1978 4,086,787'Device for transmitting force from one shaft to another'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1979Patents assigned to BBC BROWN BOVERI & CIE (3)· patent assignee history

1978–1979Based in Heidelberg, DE· patent location history

1982–2003Based in Bongard, DE· patent location history

1983–1984Patents assigned to BROSE FAHRZEUGTEILE (2)· patent assignee history

1983–1984Based in Ebelsbach, DE· patent location history

1987–1990Patents assigned to GRETAG AG (2)· patent assignee history

1987–1994Based in Otelfingen, CH· patent location history

1988–1994Patents assigned to AMERICAN STANDARD INC (2)· patent assignee history

1989Based in Munich, DE· patent location history

2003Patents assigned to AMERICAN STANDARD INT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BBC BROWN BOVERI & CIE	3	1978–1979
AMERICAN STANDARD INC	2	1988–1994
BROSE FAHRZEUGTEILE	2	1983–1984
GRETAG AG	2	1987–1990
AMERICAN STANDARD INT INC	1	2003

Locations

Location	Patents	Span
Bongard, DE	5	1982–2003
Otelfingen, CH	3	1987–1994
Heidelberg, DE	3	1978–1979
Ebelsbach, DE	2	1983–1984
Munich, DE	1	1989