Inventor
Frank J. Fronczak
Inventor
Madison, WI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis10%
A61FFilters implantable into blood vessels10%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling10%
B27LRemoving bark or vestiges of branches10%
F01LCyclically operating valves for machines or engines10%
F02BInternal-combustion piston engines10%
F15BSystems acting by means of fluids in general10%
F16KValves10%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
PatentTitleYear
6,558,337'Positioner for medical devices such as biopsy needles'20036,315,265'Variable valve timing actuator'20016,223,604'Mobile truss testing apparatus'20015,971,027'Accumulator for energy storage and delivery at multiple pressures'19995,067,456'Hypocycloid engine'19914,381,023'Auxiliary torque back-up roll'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to US AGRICULTURE (1)· patent assignee history
1983–2003Based in Madison, WI, US· patent location history
1991Patents assigned to BEACHLEY NORMAN H (1)· patent assignee history
1991Patents assigned to FRONCZAK FRANK J (1)· patent assignee history
1999–2003Patents assigned to WISCONSIN ALUMNI RES FOUND (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WISCONSIN ALUMNI RES FOUND | 4 | 1999–2003 |
| BEACHLEY NORMAN H | 1 | 1991 |
| FRONCZAK FRANK Jself | 1 | 1991 |
| US AGRICULTURE | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Madison, WI, US | 6 | 1983–2003 |