Earl B. Hoekman

Person

Roseville, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for sensing vehicles
- Patent number 5,850,192
- Issue date Dec 15, 1998
- Minnesota Mining and Manufacturing Company
- Frederick J. Turk
- G08 - SIGNALLING
Information Patent Grant
Vehicle detector with automatic sensitivity adjustment
- Patent number 5,734,338
- Issue date Mar 31, 1998
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Vehicle detector with environmental adaptation
- Patent number 5,508,698
- Issue date Apr 16, 1996
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Vehicle detector with power main noise compensation
- Patent number 5,361,064
- Issue date Nov 1, 1994
- Minnesota Mining and Manufacturing Company
- Steven M. Hamer
- G08 - SIGNALLING
Information Patent Grant
Vehicle detector measurement frame segmentation
- Patent number 5,281,965
- Issue date Jan 25, 1994
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Single inductive sensor vehicle detection and speed measurement
- Patent number 5,278,555
- Issue date Jan 11, 1994
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Vehicle detector with series resonant oscillator drive
- Patent number 5,153,525
- Issue date Oct 6, 1992
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Automatic alteration of the operation of a radiant energy transmitter
- Patent number 4,994,714
- Issue date Feb 19, 1991
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Radiant energy signal transmitter
- Patent number 4,972,185
- Issue date Nov 20, 1990
- Minnesota Mining and Manufacturing Company
- James L. Stopa
- G08 - SIGNALLING
Information Patent Grant
Method for minimizing false alarms and electronic noise in electron...
- Patent number 4,697,170
- Issue date Sep 29, 1987
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Flexible ferromagnetic marker for the detection of objects having m...
- Patent number 4,581,524
- Issue date Apr 8, 1986
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Apparatus for providing a time controlled output
- Patent number 4,277,693
- Issue date Jul 7, 1981
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G04 - HOROLOGY

Earl B. Hoekman

Person

Patents Grantslast 30 patents

Apparatus for sensing vehicles

Vehicle detector with automatic sensitivity adjustment

Vehicle detector with environmental adaptation

Vehicle detector with power main noise compensation

Vehicle detector measurement frame segmentation

Single inductive sensor vehicle detection and speed measurement

Vehicle detector with series resonant oscillator drive

Automatic alteration of the operation of a radiant energy transmitter

Radiant energy signal transmitter

Method for minimizing false alarms and electronic noise in electron...

Flexible ferromagnetic marker for the detection of objects having m...

Apparatus for providing a time controlled output