Inventor

Karen E. Dunleavy

Inventor

Billerica, MA, US

Overview

4→

Patents

1991–2000

Patent span

Human necessities

Primary field (CPC A)

Patents· 4 as inventor

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

A61Lprimary

A61LMethods or apparatus for sterilising materials or objects in general23%

A61FFilters implantable into blood vessels15%

A61MDevices for introducing media into, or onto, the body8%

B01DSeparation8%

B29CShaping or joining of plastics8%

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. inserts8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

6,042,909'Encapsulation device'2000 5,741,334'Artificial pancreatic perfusion device'1998 5,298,206'Method and apparatus for casting hollow fiber membranes'1994 5,002,661'Artificial pancreatic perfusion device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1994Patents assigned to GRACE W R & CO (2)· patent assignee history

1991–2000Based in Billerica, MA, US· patent location history

1998–2000Patents assigned to CIRCE BIOMEDICAL INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIRCE BIOMEDICAL INC	2	1998–2000
GRACE W R & CO	2	1991–1994

Locations

Location	Patents	Span
Billerica, Massachusetts, US	4	1991–2000