1
Robert P Hart, Leonid M Malinin: Apparatus and method for calibrating a storage tank. Veeder Root Company, September 9, 1997: US05665895 (33 worldwide citation)

An apparatus and method are provided for calibrating a liquid storage tank. The apparatus includes a sensor disposed within the tank for sensing the liquid levels in the tank and one or more metering devices for measuring the amount of liquid dispensed into or out of the tank. A processor is also pr ...


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
Robert P Hart, Richard K Lucas: Fueling system vapor recovery and containment performance monitor and method of operation thereof. Veeder Root Company, Withrow & Terranova PLLC, September 23, 2003: US06622757 (29 worldwide citation)

A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced vapors may be recovered at the dispe ...


4
Robert P Hart, Leonid M Malinin: Apparatus and method for calibrating manifolded tanks. Veeder Root Company, Arnold White & Durkee, August 13, 1996: US05544518 (24 worldwide citation)

An apparatus and method are provided for calibrating manifolded liquid storage tanks. The apparatus includes sensors disposed within the tanks for sensing the liquid levels in each of the tanks and a metering device for measuring the amount of liquid dispensed into or out of the storage tanks. A pro ...


5
Don Halla, Richard Dolson, Robert P Hart, Richard Lucas, Ray Hutchinson, Kent Reid: Fuel storage tank leak prevention and detection system and method. Veeder Root Company, Withrow & Terranova PLLC, December 28, 2004: US06834534 (24 worldwide citation)

A storage tank leak detection and prevention system that detects a breach or leak in the interstitial space of a double-walled fuel storage tank in a service station environment. The interstitial space is placed under a vacuum using a submersible turbine pump that is also used to pump fuel to the fu ...


6
Robert P Hart, Richard K Lucas: Fueling system vapor recovery and containment performance monitor and method of operation thereof. Veeder Root Company, Withrow & Terranova PLLC, April 19, 2005: US06880585 (15 worldwide citation)

A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced vapors may be recovered at the dispe ...


7
Donald S Reichler, Adriano Baglioni, Thomas C Zalenski, Robert P Hart, Richard K Lucas: Method and system for determining and monitoring the dispensing efficiency of a fuel dispensing point in a service station environment. Veeder Root Company, Withrow & Terranova PLLC, December 13, 2005: US06975964 (15 worldwide citation)

Determining a maximum dispensing efficiency of a dispensing point in a fuel dispenser and determining if a dispensing point has a blockage and/or a performance problem if the maximum dispensing efficiency is less than expected. The maximum dispensing efficiency is calculated by determining the dispe ...


8
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 ...


9
Robert P Hart, Richard K Lucas: Fueling system vapor recovery and containment performance monitor and method of operation thereof. Veeder Root Company, Withrow & Terranova PLLC, November 29, 2005: US06968868 (14 worldwide citation)

A method and apparatus for monitoring and determining fuel vapor recovery performance. The dispensing of liquid fuel into a tank by a gas pump nozzle displaces a mixture of air and fuel ullage vapor in the tank. These displaced vapors may be recovered at the dispensing point nozzle by a vapor recove ...


10
Robert P Hart: Fueling system vapor recovery and containment leak detection system and method. Veeder Root Company, Withrow & Terranova PLLC, June 7, 2005: US06901786 (13 worldwide citation)

A method and apparatus for monitoring a fuel vapor recovery system to determine if a leak condition exists in either the vapor return passage in a fuel dispenser or a common vapor return pipe. An air-flow sensor (AFS) may be located in the common vapor return pipe for all of the dispensing points at ...