Inventor
John A. Karpiel
Inventor
Winston-Salem, NC, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis44%
A61MDevices for introducing media into, or onto, the body31%
A61FFilters implantable into blood vessels22%
A61JContainers specially adapted for medical or pharmaceutical purposes3%
PatentTitleYear
9,468,743'Catheter for positioning a wire guide'20168,764,768'Stapling device for closing perforations'20148,591,563'Catheter with splittable wall shaft and peel tool'20138,535,310'Sphincterotome'20138,529,434'Endoscopic sheet delivery'20138,491,610'Clip devices and methods of delivery and deployment'20138,277,392'Biopsy collection device'20128,216,268'Intragastric bag for treating obesity'20128,206,320'System and method for introducing multiple medical devices'20128,187,172'Endoscope cap with aperture'20128,025,691'Single peel stent introducer apparatus'20117,878,983'Biopsy collection device'20117,637,863'Wire guide holder'20097,314,481'Stent introducer apparatus'20086,746,489'Prosthesis having a sleeve valve'20046,692,484'Devices for extracting biliary or urinary stones'20046,613,002'System of indicia for a medical device'20036,602,250'Echogenic wire knife'20035,320,602'Peel-away endoscopic retrograde cholangio pancreatography catheter and a method for using the same'19945,295,968'Stylet wire assembly'19945,100,384'Method and device for percutaneous intubation'19925,075,062'Method of fabricating a medical spincterotome'19915,024,617'Sphincterotomy method and device having controlled bending and orientation'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2011Patents assigned to WILSON COOK MEDICAL INC (12)· patent assignee history
1991–2016Based in Winston-Salem, NC, US· patent location history
2011–2016Patents assigned to COOK MEDICAL TECHNOLOGIES LLC (11)· patent assignee history
2012–2014Patents assigned to KARPIEL JOHN A (9)· patent assignee history
2012–2013Patents assigned to HALLER FREDERICK B (3)· patent assignee history
2012–2013Patents assigned to HARDIN JR DAVID M (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WILSON COOK MEDICAL INC | 12 | 1991–2011 |
| COOK MEDICAL TECHNOLOGIES LLC | 11 | 2011–2016 |
| KARPIEL JOHN Aself | 9 | 2012–2014 |
| HALLER FREDERICK B | 3 | 2012–2013 |
| HARDIN JR DAVID M | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Winston-Salem, NC, US | 23 | 1991–2016 |