Inventor
DORMAN FRANK D
US21 patents
⚠️ This page may combine multiple inventors who share the name “DORMAN FRANK D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV MINNESOTA
11 patentsUS5290263AMar 1, 1994
Bidirectional check valve catheter
UNIV MINNESOTA214 citations99
US4705503ANov 10, 1987
Metabolite sensor including a chemical concentration sensitive flow controller for a drug delivery system
UNIV MINNESOTA198 citations99
US5120312AJun 9, 1992
Method and apparatus for catheterization
UNIV MINNESOTA144 citations98
US4772263ASep 20, 1988
Spring driven infusion pump
UNIV MINNESOTA343 citations98
US4718893AJan 12, 1988
Pressure regulated implantable infusion pump
UNIV MINNESOTA302 citations98
US4657536AApr 14, 1987
Check valve catheter
UNIV MINNESOTA142 citations98
US4299220ANov 10, 1981
Implantable drug infusion regulator
UNIV MINNESOTA151 citations97
US4644943AFeb 24, 1987
Bone fixation device
UNIV MINNESOTA61 citations93
US5203770AApr 20, 1993
Method and apparatus for catheterization
UNIV MINNESOTA39 citations92
US5073094ADec 17, 1991
Zero net external displacement implantable pump and driver
UNIV MINNESOTA37 citations92
US4306553ADec 22, 1981
Method of maintaining the fluidity of hormone solutions for parenteral administration
UNIV MINNESOTA6 citations56
TSI INC
6 patentsUS6544484B1Apr 8, 2003
Aerosol charge adjusting apparatus employing a corona discharge
TSI INC97 citations97
US5561515AOct 1, 1996
Apparatus for measuring particle sizes and velocities
TSI INC139 citations95
US5121988AJun 16, 1992
Single particle detector method and apparatus utilizing light extinction within a sheet of light
TSI INC65 citations95
US5076097ADec 31, 1991
Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample
TSI INC76 citations94
US4948257AAug 14, 1990
Laser optical measuring device and method for stabilizing fringe pattern spacing
TSI INC45 citations88
US4596140AJun 24, 1986
Constant overheat anemometer with sensor lead wire impedance compensation
TSI INC11 citations74