Inventor

Jack M. Walker

Inventor

Portola Valley, CA, US

Overview

19→

Patents

1981–2001

Patent span

Human necessities

Primary field (CPC A)

Patents· 19 as inventor

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body31%

H01CResistors14%

H05BElectric heating14%

Y10TTechnical subjects covered by former us classification11%

A61LMethods or apparatus for sterilising materials or objects in general9%

A61FFilters implantable into blood vessels6%

B29CShaping or joining of plastics3%

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. inserts3%

B29LIndexing scheme associated with subclass b29c, relating to particular articles3%

H01BCables3%

PatentTitleYear

6,245,056'Safe intravenous infusion port injectors'2001 6,033,393'Method and apparatus for overpressure protection of a catheter'2000 5,964,744'Polymeric medical device systems having shape memory'1999 5,755,693'Bloodless splittable introducer'1998 5,599,291'Softening expanding ureteral stent'1997 5,397,311'Bloodless splittable introducer'1995 4,994,047'Multi-layer cannula structure'1991 4,955,863'Adjustable catheter assembly'1990 4,954,695'Self-limiting conductive extrudates and methods therefor'1990 4,846,812'Softening catheter'1989 4,781,703'Catheter assembly'1988 4,728,322'Adjustable catheter assembly'1988 4,445,026'Electrical devices comprising PTC conductive polymer elements'1984 4,339,638'Electrical switch'1982 4,327,351'Laminates comprising an electrode and a conductive polymer layer'1982 4,314,230'Devices comprising conductive polymers'1982 4,286,376'Method of making heater cable of self-limiting conductive extrudates'1981 4,272,471'Method for forming laminates comprising an electrode and a conductive polymer layer'1981 4,254,326'Electrical heater apparatus'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1990Patents assigned to RAYCHEM CORP (7)· patent assignee history

1981–2001Based in Portola Valley, CA, US· patent location history

1982Patents assigned to MC DONNELL DOUGLAS CORP (1)· patent assignee history

1982Based in Meggen, CH· patent location history

1988–1999Patents assigned to MENLO CARE INC (9)· patent assignee history

2000Patents assigned to JOHNSON & JOHNSON MEDICAL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MENLO CARE INC	9	1988–1999
RAYCHEM CORP	7	1981–1990
JOHNSON & JOHNSON MEDICAL	1	2000
MC DONNELL DOUGLAS CORP	1	1982

Locations

Location	Patents	Span
Portola Valley, California, US	18	1981–2001
Meggen, CH	1	1982