Inventor
David A. Winchell
Inventor
Twin Lakes, WI, US
Overview
Patents· 50 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Dprimary
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers25%
A61JContainers specially adapted for medical or pharmaceutical purposes23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B29CShaping or joining of plastics11%
A61MDevices for introducing media into, or onto, the body10%
LOCD04%
Y10TTechnical subjects covered by former us classification4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
A61BDiagnosis2%
A01NPreservation of bodies of humans or animals or plants or parts thereof1%
PatentTitleYear
5,538,009'Biopsy needle assembly'19965,533,412'Pulsed thermal flow sensor system'19965,176,360'Infusor having fixed and variable flow rate control mechanisms'19935,061,243'System and apparatus for the patient-controlled delivery of a beneficial agent, and set therefor'19915,033,714'Systems having fixed and variable flow rate control mechanisms'19915,014,750'Systems having fixed and variable flow rate control mechanisms'19915,011,477'Continuous/bolus infusor'19914,904,239'Infusor having a distal flow regulator'19904,794,750'Method for making containers having ports'19894,741,733'Infusor having a distal flow regulator'19884,539,172'Method of blowmolding a container having an integral inner dispensing outlet'19854,511,529'Method of making a bottle closure'19854,474,016'Sterile cooling system'19844,434,904'Bottle closure'19844,419,323'Method for manufacturing a plastic container with non-coring penetrable wall portion'19834,378,891'Bottle closure'1983RE031135'Flexible collapsible containers, and method of molding'19834,366,913'Plastic closure system with an annular rib gasket retention means'1983RE031082'Hermetically sealed tamperproof port protector'19824,320,789'Collapsible solution container'1982D0263504'Vacuum chamber for the transfer of parenteral liquids'19824,308,904'Collapsible solution container having reduced collapse rate at the end of the collapsing process'1982D0261985'Bottle'1981D0261106'Bottle'19814,282,980'Plastic hanger for containers'1981D0258720'Bottle'1981D0258346'Bottle'19814,236,646'Closure for pharmaceutical containers'19804,234,103'Diagnostic reagent dispensing bottle'19804,232,721'Collapsible solution container having rectangular shoulder'19804,227,954'Method for sealing container cap parts'19804,191,231'Flexible collapsible containers, and method of molding'19804,181,232'Sealed closure for plastic container with interlocking protective outer closure'19804,177,905'Closure system for containers'19794,176,755'Resealable pour bottle with severing ring'19794,174,238'Hermetically sealed tamperproof port protector and method of making frangible seal'19794,171,236'Method of making frangible seal'19794,160,473'Plastic container with auxiliary tube retention means'19794,153,173'Cap closure and method of producing same'19794,152,378'Container closure having automatic opening means'19794,127,208'Container and hermetically sealed tamperproof protector'19784,111,325'Sealed closure for plastic container with interlocking protective outer closure'19784,111,324'Hermetically sealed tamperproof port protector'19784,093,093'Antibackoff closure'19784,093,169'Attachable hanger for containers'19784,091,949'Antibackoff threaded ring closure using ratchet means'19784,068,696'Supplemental additive indication cap for containers and the like having auxiliary sleeve'19784,049,034'Attaching means and method for attaching flexible tubing to a plastic container'19774,046,276'Port protector cap for a container'19774,005,739'Supplemental medication indication cap for solution containers and the like'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1989Patents assigned to BAXTER TRAVENOL LAB (40)· patent assignee history
1977–1985Based in Twin Lakes, WI, US· patent location history
1984–1993Based in Spring Grove, IL, US· patent location history
1990–1996Patents assigned to BAXTER INT (8)· patent assignee history
1996Patents assigned to IC SENSORS INC (1)· patent assignee history
1996Based in Fox Lake, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAXTER TRAVENOL LAB | 40 | 1977–1989 |
| BAXTER INT | 8 | 1990–1996 |
| IC SENSORS INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Twin Lakes, WI, US | 38 | 1977–1985 |
| Spring Grove, Illinois, US | 10 | 1984–1993 |
| Fox Lake, Illinois, US | 2 | 1996 |