FD

Frank D. Dorman

UM University of Minnesota: 14 patents #41 of 2,951Top 2%
TC Tsi Group Co.: 8 patents #5 of 151Top 4%
ME Medtronic: 2 patents #3,096 of 6,325Top 50%
📍 Minneapolis, MN: #167 of 6,114 inventorsTop 3%
🗺 Minnesota: #2,420 of 52,454 inventorsTop 5%
Overall (All Time): #156,470 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6544484 Aerosol charge adjusting apparatus employing a corona discharge Stanley L. Kaufman 2003-04-08
6293752 Junction for shears sensitive biological fluid paths Cynthia Clague, Robert Cushing Hamlen, Donald W. Hegeman, III, Timothy A. Miller, Joseph E. Poissant +2 more 2001-09-25
6230572 Instrument for measuring and classifying nanometer aerosols David Y. H. Pui, Da-Ren Chen, Frederick R. Quant, Gilmore J. Sem, Heinz Fissan +1 more 2001-05-15
5971023 Junction for shear sensitive biological fluid paths Cynthia Clague, Robert Cushing Hamlen, Donald W. Hegeman, III, Timothy A. Miller, Joseph E. Poissant +2 more 1999-10-26
5561515 Apparatus for measuring particle sizes and velocities Peter P. Hairston, Gilmore J. Sem, Jugal Agarwal 1996-10-01
5325728 Electromagnetic flow meter Douglas J. Zimmerman 1994-07-05
5290263 Bidirectional check valve catheter Bruce D. Wigness 1994-03-01
5247842 Electrospray apparatus for producing uniform submicrometer droplets Stanley L. Kaufman, Fahimeh Zarrin 1993-09-28
5203770 Method and apparatus for catheterization Bruce D. Wigness 1993-04-20
5121988 Single particle detector method and apparatus utilizing light extinction within a sheet of light James L. Blesener, Stanley L. Kaufman, David Blackford, Peter P. Hairston 1992-06-16
5120312 Method and apparatus for catheterization Bruce D. Wigness 1992-06-09
5079467 Radial drive for fluid pump 1992-01-07
5076097 Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample Fahimeh Zarrin, Stanley L. Kaufman 1991-12-31
5073094 Zero net external displacement implantable pump and driver Bruce D. Wigness 1991-12-17
5044897 Radial drive for implantable centrifugal cardiac assist pump 1991-09-03
4948257 Laser optical measuring device and method for stabilizing fringe pattern spacing Stanley L. Kaufman, Daniel C. Bjorkquist, Miles R. Finn 1990-08-14
4927407 Cardiac assist pump with steady rate supply of fluid lubricant 1990-05-22
4846806 Implantable intravascular access system Bruce D. Wigness 1989-07-11
4772263 Spring driven infusion pump Henry Buchwald 1988-09-20
4718893 Pressure regulated implantable infusion pump Henry Buchwald 1988-01-12
4705503 Metabolite sensor including a chemical concentration sensitive flow controller for a drug delivery system Bruce D. Wigness 1987-11-10
4657536 Check valve catheter 1987-04-14
4644943 Bone fixation device Roby C. Thompson, Arthur G. Erdman 1987-02-24
4596140 Constant overheat anemometer with sensor lead wire impedance compensation Eric W. Nelson 1986-06-24
4306553 Method of maintaining the fluidity of hormone solutions for parenteral administration Thomas Rohde, Thomas G. Rublein 1981-12-22