Inventor

Walter Köllner

Inventor

Suwanee, GA, US

Overview

1991–2013

Patent span

Performing operations

Primary field (CPC B)

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

B66Cprimary

B66CCranes18%

B60LPropulsion of electrically-propelled vehicles12%

E02FDredging12%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters12%

Y02TClimate change mitigation technologies related to transportation12%

B60MPower supply lines, and devices along rails, for electrically- propelled vehicles6%

E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels6%

H02JElectric power networks6%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991–2013Patents assigned to KOELLNER WALTER (5)· patent assignee history

1991–1996Based in Korschenbroich, DE· patent location history

1992–1996Patents assigned to MANNESMANN AG (2)· patent assignee history

2012–2013Patents assigned to MAZUMDAR JOY (4)· patent assignee history

2012–2013Patents assigned to SIEMENS INDUSTRY INC (4)· patent assignee history

2012–2013Patents assigned to HOLWECK ANDREAS (2)· patent assignee history

2012–2013Based in Suwanee, GA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Suwanee, Georgia, US	4	2012–2013
Korschenbroich, DE	3	1991–1996