Inventor

Randall L. Knoll

Inventor

Stillwater, MN, US

Overview

13→

Patents

1981–2014

Patent span

Human necessities

Primary field (CPC A)

Patents· 13 as inventor

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

A61Fprimary

A61FFilters implantable into blood vessels21%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%

A61LMethods or apparatus for sterilising materials or objects in general9%

Y10TTechnical subjects covered by former us classification9%

A61MDevices for introducing media into, or onto, the body6%

A61NElectrotherapy6%

A61BDiagnosis3%

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%

PatentTitleYear

8,676,319'Implantable medical device with compressible fixation member'2014 7,289,850'System for enhanced cardiac function with combined PESP/NES'2007 6,743,464'Method of making electrets through vapor condensation'2004 6,290,685'Microchanneled active fluid transport devices'2001 5,841,081'Method of attenuating sound, and acoustical insulation therefor'1998 5,489,300'Surgical method for implanting a corneal implant'1996 5,364,367'Cannula anchor'1994 5,108,428'Corneal implants and manufacture and use thereof'1992 5,032,131'Prosthesis holding device'1991 4,964,206'Intraocular lens anchoring filament to lens element fixation method'1990 4,936,849'Intraocular lens'1990 4,919,662'Hydrogel implant lens construction reconfigured dehydrated re-hydrated in situ'1990 4,286,341'Vascular prosthesis and method of making the same'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to UNIV IOWA STATE RES FOUND INC (1)· patent assignee history

1981Based in Altoona, IA, US· patent location history

1990–1998Patents assigned to MINNESOTA MINING & MFG (8)· patent assignee history

1990–2014Based in Stillwater, MN, US· patent location history

1990–1996Based in Mahtomedi, MN, US· patent location history

2001–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history

2004Based in Grant, MN, US· patent location history

2007–2014Patents assigned to MEDTRONIC INC (2)· patent assignee history

2014Patents assigned to KNOLL RANDALL L (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINNESOTA MINING & MFG	8	1990–1998
3M INNOVATIVE PROPERTIES CO	2	2001–2004
MEDTRONIC INC	2	2007–2014
KNOLL RANDALL Lself	1	2014
UNIV IOWA STATE RES FOUND INC	1	1981

Locations

Location	Patents	Span
Stillwater, Minnesota, US	6	1990–2014
Mahtomedi, Minnesota, US	5	1990–1996
Grant, Minnesota, US	1	2004
Altoona, IA, US	1	1981