Helgren; R. Hayes

Patent Applications and Registrations

Patent applications and USPTO patent grants for Helgren; R. Hayes.The latest application filed is for "housing capable of connecting a container to a medical device".

Company Profile

0.13.0

Helgren; R. Hayes - Mundelein IL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Housing capable of connecting a container to a medical device Grant 6,652,509 - Helgren , et al. November 25, 2	2003-11-25
Reseal with a partial perforation and method and apparatus for creating a partial perforation in a reseal Grant 5,983,770 - Helgren , et al. November 16, 1	1999-11-16
Water purification using reverse osmosis device for formulation of medical solution Grant 5,951,863 - Kruger , et al. September 14, 1	1999-09-14
Pointed adapter for blunt entry device Grant 5,580,351 - Helgren , et al. December 3, 1	1996-12-03
Valved intravenous fluid line connector Grant 5,520,666 - Choudhury , et al. May 28, 1	1996-05-28
Sterile formed, filled and sealed flexible container Grant 5,514,123 - Adolf , et al. May 7, 1	1996-05-07
Peritoneal dialysis system using reverse osmosis purification device Grant 5,498,338 - Kruger , et al. March 12, 1	1996-03-12
Method for forming, filling and sealing a sterile flexible container Grant 5,493,845 - Adolf , et al. February 27, 1	1996-02-27
Pointed adapter for blunt entry device Grant 5,470,327 - Helgren , et al. November 28, 1	1995-11-28
Method of forming a reseal member for use with blunt cannulas Grant 5,403,525 - Helgren , et al. April 4, 1	1995-04-04
Object rotating, lifting and storage system Grant 5,354,035 - Helgren October 11, 1	1994-10-11
Sterile formed, filled and sealed flexible container Grant 5,334,180 - Adolf , et al. August 2, 1	1994-08-02
Biosensor with a membrane containing biologically active material Grant 5,310,469 - Cunningham , et al. May 10, 1	1994-05-10

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