Assignee
IMPRA INC
US·38 granted patents·10,651 citations·filing 1987–2001
Top patents by PatentIndex Score
38 records- 0199US6547814B2Selective adherence of stent-graft coveringsIMPRA INC·Filed 2001·Granted Apr 15, 2003·173 cites·7 claims
- 0298US5609624AReinforced vascular graft and method of making sameIMPRA INC·Filed 1993·Granted Mar 11, 1997·349 cites·18 claims
- 0398US5104400ABlood vessel patchIMPRA INC·Filed 1991·Granted Apr 14, 1992·1.2k cites·15 claims
- 0498US5100422ABlood vessel patchIMPRA INC·Filed 1989·Granted Mar 31, 1992·956 cites·11 claims
- 0598US4955899ALongitudinally compliant vascular graftIMPRA INC·Filed 1989·Granted Sep 11, 1990·431 cites·19 claims
- 0697US6203735B1Method of making expanded polytetrafluoroethylene productsIMPRA INC·Filed 1997·Granted Mar 20, 2001·183 cites·21 claims
- 0797US5749880AEndoluminal encapsulated stent and methods of manufacture and endoluminal deliveryIMPRA INC·Filed 1995·Granted May 12, 1998·651 cites·21 claims
- 0895US6124523AEncapsulated stentIMPRA INC·Filed 1995·Granted Sep 26, 2000·520 cites·10 claims
- 0995US5628786ARadially expandable vascular graft with resistance to longitudinal compression and method of making sameIMPRA INC·Filed 1995·Granted May 13, 1997·534 cites·19 claims
- 1095US5152782ANon-porous coated ptfe graftIMPRA INC·Filed 1989·Granted Oct 6, 1992·292 cites·9 claims
- 1194US6355063B1Expanded PTFE drug delivery graftIMPRA INC·Filed 2000·Granted Mar 12, 2002·189 cites·25 claims
- 1294US5667523ADual supported intraluminal graftIMPRA INC·Filed 1995·Granted Sep 16, 1997·859 cites·22 claims
- 1394US4822341AVascular access fistulaIMPRA INC·Filed 1987·Granted Apr 18, 1989·361 cites·22 claims
- 1493US6514261B1Delivery mechanism for implantable stentIMPRA INC·Filed 1999·Granted Feb 4, 2003·454 cites·31 claims
- 1592US6558414B2Partial encapsulation of stents using strips and bandsIMPRA INC·Filed 1999·Granted May 6, 2003·166 cites·7 claims
- 1692US5321109AUniformly expanded PTFE filmIMPRA INC·Filed 1992·Granted Jun 14, 1994·100 cites·1 claims
- 1791US6190590B1Apparatus and method for making flanged graft for end-to-side anastomosisIMPRA INC·Filed 1996·Granted Feb 20, 2001·153 cites·19 claims
- 1891US6004348AEndoluminal encapsulated stent and methods of manufacture and endoluminal deliveryIMPRA INC·Filed 1998·Granted Dec 21, 1999·429 cites·2 claims
- 1991US5466509ATextured, porous, expanded PTFEIMPRA INC·Filed 1993·Granted Nov 14, 1995·137 cites·14 claims
- 2091US5453235AMethod of forming dual porosity FTFE tubes by extrusion of concentric preformsIMPRA INC·Filed 1993·Granted Sep 26, 1995·71 cites·5 claims
- 2190US6451047B2Encapsulated intraluminal stent-graft and methods of making sameIMPRA INC·Filed 1997·Granted Sep 17, 2002·222 cites·7 claims
- 2289US6245099B1Selective adherence of stent-graft coverings, mandrel and method of making stent-graft deviceIMPRA INC·Filed 1999·Granted Jun 12, 2001·339 cites·5 claims
- 2388US6312462B1Prosthesis for abdominal aortic aneurysm repairIMPRA INC·Filed 1999·Granted Nov 6, 2001·335 cites·10 claims
- 2488US6053943AEndoluminal graft with integral structural support and method for making sameIMPRA INC·Filed 1995·Granted Apr 25, 2000·330 cites·33 claims
- 2587US5522882AMethod and apparatus for balloon expandable stent-graft deliveryIMPRA INC·Filed 1994·Granted Jun 4, 1996·335 cites·20 claims
- 2686US5827327ACarbon containing vascular graft and method of making sameIMPRA INC·Filed 1997·Granted Oct 27, 1998·76 cites·16 claims
- 2782US6623519B2Fluid containing endoluminal stentIMPRA INC·Filed 2001·Granted Sep 23, 2003·69 cites·4 claims
- 2882US5246452AVascular graft with removable sheathIMPRA INC·Filed 1992·Granted Sep 21, 1993·206 cites·16 claims
- 2981US6589273B1Apparatus and method for relining a blood vesselIMPRA INC·Filed 2000·Granted Jul 8, 2003·74 cites·14 claims
- 3078US5468138AApparatus for stretching polymer filmsIMPRA INC·Filed 1994·Granted Nov 21, 1995·36 cites·11 claims
- 3174US6358276B1Fluid containing endoluminal stentIMPRA INC·Filed 1999·Granted Mar 19, 2002·97 cites·22 claims
- 3271US5935667ADual porosity PTFE tubesIMPRA INC·Filed 1997·Granted Aug 10, 1999·66 cites·25 claims
- 3370USD459474SStent delivery apparatusIMPRA INC·Filed 2001·Granted Jun 25, 2002·47 cites·1 claims
- 3470US5512229AProcess of uniformly expanding polymer filmIMPRA INC·Filed 1994·Granted Apr 30, 1996·26 cites·11 claims
- 3564US6273912B1Flanged graft for end-to-side anastomosisIMPRA INC·Filed 1996·Granted Aug 14, 2001·80 cites·6 claims
- 3656US5641443AMethod of forming dual porosity PTFE tubes by extrusion of concentric preformsIMPRA INC·Filed 1995·Granted Jun 24, 1997·65 cites·21 claims
- 3754US6589278B1Vascular prosthesisIMPRA INC·Filed 1998·Granted Jul 8, 2003·50 cites·12 claims
- 3847US6221101B1Controlled vortex inducing vascular prosthesisIMPRA INC·Filed 1998·Granted Apr 24, 2001·38 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when IMPRA INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →