1
Donald W Fleischer: Electronic hub odometer. Veeder, Chilton Alix & Van Kirk, September 29, 1987: US04697278 (55 worldwide citation)

An electronic hub odometer employs a permanent magnet and a magnetic reed switch for recording the number of revolutions of a vehicle wheel to which the odometer is mounted. A programmable integrated circuit electrically communicates with a clock crystal and the magnetic reed switch to automatically ...


2
Einar Asmundsson, Robert P Hart, Donald W Fleischer: Liquid level measuring system. Veeder, Prutzman Kalb Chilton & Alix, September 14, 1982: US04349882 (33 worldwide citation)

A liquid level measuring system for the underground fuel storage tanks of a fuel dispensing station having a multiple segment capacitance probe in each storage tank and a microcomputer for periodically measuring the capacitance of each segment of each probe and calculating the level and volume of fu ...


3
Donald W Fleischer: Fuel delivery control system. Veeder, Prutzman Kalb Chilton & Alix, February 10, 1981: US04250550 (20 worldwide citation)

A gasoline station with self-service and attendant-operated fuel dispensing areas and a fuel delivery control system with a central control station for activating each self-service dispenser and registering the amount of fuel delivered thereby, an auxiliary control station at the attendant-operated ...


4
Donald W Fleischer, Richard E Peruggi: Gasoline station registration and control system. Veeder, Prutzman Kalb Chilton & Alix, January 29, 1980: US04186381 (17 worldwide citation)

A gasoline station with self-service and attendant operated pumps and a fuel delivery control and registration system with a fixed remote control unit operable for selectively activating each self-service pump and registering the amount of fuel delivered and a portable control unit for operating the ...


5
Einar Asmundsson, Robert P Hart, Donald W Fleischer: Liquid level measuring system. Veeder, Prutzman Kalb Chilton & Alix, December 6, 1983: US04418571 (15 worldwide citation)

A liquid level measuring device has an outer capacitance tube, an imperforate glass tube coaxially within the outer tube defining a capacitor annulus between them, and an inner capacitor sleeve coaxially within the glass tube and having separate longitudinally extending sleeve sections. The separate ...


6
Donald W Fleischer, Bruno S Smilgys: Storage tank flow control valve assembly. Veeder, Prutzman Kalb Chilton & Alix, December 23, 1986: US04630655 (7 worldwide citation)

A passive flow control valve assembly for controlling the flow of fuel through the fill pipe of an underground fuel storage system is disclosed comprising a valve housing mounted to the discharge end of the fill pipe, a valve assembly for controlling flow through the housing which is mounted for mov ...


7
Donald W Fleischer: Plug-in counter with cost reduction. Veeder, Prutzman Kalb Chilton & Alix, April 17, 1979: US04150283 (3 worldwide citation)

A plug-in counter system for recording the use of an associated business machine and having a plug-in counter unit for each user and a receptacle unit for individually inserting each counter unit therein, the receptacle unit and each counter unit having magnetic couplings for magnetically coupling a ...


8
Donald W Fleischer: Golf driving aid. McCormick Paulding & Huber, November 16, 1999: US05984808 (3 worldwide citation)

An elongated strip of flexible sheet material including at least one surface having a coefficient of friction relative to the surface of a golf ball and/or the striking surface of an associated golf club which is less than the coefficient of friction of the ball surface relative to the striking surf ...


9
Donald W Fleischer: Rotary electromagnetic indicator. Veeder, Prutzman Kalb Chilton & Alix, June 16, 1981: US04273994 (1 worldwide citation)

A rotary electromagnetic decade indicator having a permanent magnet rotor with ten alternating north and south salient poles, a salient pole stator with primary and secondary salient poles in one-half digit out of phase relationship and a master salient pole with a relatively wide pole face with sec ...


10
Donald W Fleischer: Counting system. Veeder, Prutzman Kalb Chilton & Alix, January 2, 1979: US04132887 (1 worldwide citation)

A fuel pump register with pairs of oppositely facing volume and cost counters, conventional reset means for resetting the counter wheels to zero between fluid deliveries, the volume counters being indexed in a conventional manner for registering the volume amount of fuel delivered, and the cost coun ...