Inventor

David E. Witucki

Inventor

Bay City, MI, US

Overview

7→

Patents

1991–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification30%

B62DMotor vehicles17%

B23PMetal-working not otherwise provided for13%

B29CShaping or joining of plastics9%

B29LIndexing scheme associated with subclass b29c, relating to particular articles9%

F16DCouplings for transmitting rotation9%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%

F16CShafts4%

F16HGearing4%

PatentTitleYear

8,783,128'Steering column manufacturing machine and method of manufacturing a steering column'2014 8,096,036'Method of manufacturing a steering column'2012 7,832,936'Axial delash mechanism'2010 7,556,293'Telescoping steering column assembly and method of manufacturing the assembly'2009 6,638,390'Gear production process'2003 6,400,899'Ring assembly manufacturing apparatus and method'2002 5,058,696'Variable effort automotive power steering gear and method'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to GEN MOTORS CORP (1)· patent assignee history

1991–2014Based in Bay City, MI, US· patent location history

2002–2009Patents assigned to DELPHI TECH INC (3)· patent assignee history

2012–2014Patents assigned to DUBAY ROBERT W (2)· patent assignee history

2012–2014Patents assigned to MCDONAGH DENNIS G (2)· patent assignee history

2012–2014Patents assigned to WITUCKI DAVID E (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DELPHI TECH INC	3	2002–2009
DUBAY ROBERT W	2	2012–2014
MCDONAGH DENNIS G	2	2012–2014
WITUCKI DAVID Eself	2	2012–2014
GEN MOTORS CORP	1	1991

Locations

Location	Patents	Span
Bay City, MI, US	7	1991–2014