1
David Sol: Energy monitoring system for recreational vehicles and marine vessels. May 24, 1994: US05315287 (175 worldwide citation)

The invention continuously monitors the current drawn from the on board battery system of a recreational vehicle or marine vessel. The device calculates and displays the energy remaining as a portion of the total capacity by accumulating over time the net energy drawn out of the battery. The device ...


2
David Sol: Furnace monitoring and thermostat cycling system for recreational vehicles and marine vessels. December 14, 1993: US05269458 (40 worldwide citation)

Recreational vehicles and marine vessels provide for cabin environment heating by a thermostatically controlled furnace which is typically fueled by a portable supply of liquefied petroleum gas and electrically powered by an on board battery. The invention detects and corrects for the situation wher ...


3
David Sol, Ross M Stuntz: Road surface friction and hill slope estimator. Ford Motor Company, Allan Lippa, Roger May, July 21, 1992: US05132906 (35 worldwide citation)

A system and method for estimating hill slope and coefficient of friction for a road surface from vehicle and engine measurements. A first variable related to hill slope and a second variable related to road surface coefficient of friction are generated from the vehicle and engine measurements and m ...


4
David Sol, Shunso F Watanabe: Vehicle inertia and center of gravity estimator. Ford Motor Company, Roger L May, Allan J Lippa, August 4, 1992: US05136513 (35 worldwide citation)

A vehicle inertia and center of gravity estimator uses averaged displacement measurements to estimate changes in vehicle body mass, vehicle center of gravity location, and vehicle pitch moment of inertia, due to variations in fuel load, passenger load, and cargo load. The system is responsive to the ...


5
Moshe Gorney, Shlomo Galili, Dan Koren, Shaul Tal, David Sol: Method and apparatus for producing pipes for drip irrigation. Naan Irrigation Systems, Darby & Darby, December 21, 1993: US05271786 (30 worldwide citation)

A technique for manufacturing extruded drip irrigation lines including drip irrigation elements having a non-circular cross section including the steps of:


6
David Sol: Vehicle braking system controller/road friction and hill slope tracking system. Ford Motor Company, Allan J Lippa, Roger L May, August 27, 1991: US05043896 (22 worldwide citation)

A method and system for controlling a vehicle braking system on slippery surfaces and hills uses estimates of external conditions from vehicle and engine measurements in a feedforward manner to control vehicle brake pressure on slippery or changing surfaces and hills to compensate for external distu ...


7
David Sol: Vehicle traction controller/road friction and hill slope tracking system. Ford Motor Company, Allan J Lippa, Roger L May, July 16, 1991: US05033002 (13 worldwide citation)

A system and method for controlling vehicle traction uses estimates of external conditions from vehicle and engine measurements in a feedforward manner to control vehicle traction on slippery or changing surfaces and hills to compensate for external disturbances in an optimal manner. The present inv ...


8
David Sol: Water plumbing instrumentation and control system for recreational vehicles and marine vessels. February 1, 1994: US05283552 (12 worldwide citation)

The invention provides instrumentation and control of the water plumbing system of a recreational vehicle, marine vessel or other such mobile self-contained environment. In addition to indicating externally supplied water pressure, typically from park or dock pressurized hook-ups, either a leak or a ...


9
David Sol: Adaptive throttle controller for vehicle traction control. Ford Motor Company, Roger L May, Allan J Lippa, April 21, 1992: US05107429 (9 worldwide citation)

An adaptive throttle controller for vehicle traction control is capable of adapting to changes in vehicle and engine parameters in order to compensate for uncertainties in vehicle parameters. The controller operates in a self-tuning mode by varying feedback gains online based on input/output relatio ...


10
David Sol: Distributed multi-nodal operant conditioning system and method. April 26, 2016: US09324244

A multi-nodal distributed operant conditioning system and method consisting of a user node and one or more networked subject nodes. A user audience at a user node engages in operant conditioning with a subject at a networked subject node by observing real time image data of the subject and effecting ...