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| Number | Title | Issue Date |
| 7126464 | Method and apparatus for controlling a valve during a hazard event A method and apparatus for controlling a valve during the detection of a hazard event. A hazard event is defined as an event that may endanger the health or safety of people or the environment from contamination of hazardous material carried by a vehicle. The hazard... | 10/24/2006 |
| 7108285 | Road and rail tankers A tanker trailer includes tanks mounted one behind the other to a chassis using a flexible mounting system. The mounting allows individual tank movement in upward and downward directions from a rest position. Close nesting is accomplished by provided adjacent tanks ... | 09/19/2006 |
| 7012519 | Emergency shutoff system for power machinery, wireless monitoring systems, and emergency shutoff methods An emergency shutoff system for power machinery includes a control device housing a transmitter circuit, a receiver circuit, and a processor. A wireless device is carried by a user and configured to transmit information to the control device to cause the processor t... | 03/14/2006 |
| 6924733 | Hose separation transmitter system and methods A hose separation transmitter system includes a shock sensor and a transmitter that are secured to the delivery hose. If the hose becomes disconnected, the shock sensor will generate a shock signal when the hose falls to the ground and the transmitter will respond t... | 08/02/2005 |
| 6155347 | Method and apparatus for controlling the liquid level in a well The present invention provides a method and apparatus for controlling the production rate of a rotary downhole pump to prevent well pump-off. The method includes the steps of operating the pump at a first speed less than a maximum rate of the pump until w... | 12/05/2000 |
| 5975160 | Emergency discharge control system for storage tank and cargo tank motor vehicle An emergency discharge control system for use with a cargo tank motor vehicle and a primary storage tank for remotely terminating the flow of product from the cargo tank of the cargo tank motor vehicle and the storage tank in an emergency situation is pro... | 11/02/1999 |
| 5477679 | Apparatus for controlling revolution speed of prime mover for hydraulically propelled work vehicle A prime mover revolution speed control system for a hydraulically propelled vehicle controls the revolution speed of a prime mover to optimize vehicle acceleration in a vehicle propelling mode, and to optimize engine output and economy in a working mode. ... | 12/26/1995 |
| 5263824 | Remote controlled shutdown for hazardous material transport vehicle A safety shutdown system for a vehicle containing a hazardous fluid material such as gasoline, liquid propane gas (LPG) or anhydrous ammonia (NH3) permits turn-off of the vehicle's engine and closure of the vehicle's storage tank valves by the ... | 11/23/1993 |
| 5251440 | Control apparatus and method for automatically controlling a hydraulic system for heavy construction equipment A control system for automatically controlling the operation of a hydraulic system for heavy construction equipment. The system of this invention provides a controller optimally connected to sensors and to control devices on the hydraulic system so that i... | 10/12/1993 |
| 4542721 | Starting system/hydraulic system interlock A system for ensuring that hydraulic valves are in an unactuated position during starting of an engine. An ignition switch, when suitably positioned, delivers a starting signal to a starting motor operationally coupled to the vehicle engine. A relay syste... | 09/24/1985 |
| 4529359 | Sewerage pumping means for lift station Sewerage pumping apparatus is provided for delivering sewerage collected by gravity in a wet well to a force main which supplies sewerage by force to a remotely located sewerage treatment plant. The sewerage pumping apparatus comprises a hydraulically dri... | 07/16/1985 |
| 4057961 | Pulse-jet water propulsor A new heat engine in which liquid moves in a tube, one end of which is closed. The tube is heated at the closed end, and the liquid oscillates along the length of the tube. When the liquid interface enters the hot section, some of the interface vaporizes,... | 11/15/1977 |
