Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4672555 | Digital ac monitor An apparatus and method is provided for monitoring a plurality of analog ac circuits by sampling the voltage and current waveform in each circuit at predetermined intervals, converting the analog current and voltage samples to digital format, storing the ... | 06/09/1987 |
| 4663725 | Microprocessor based control system and method providing better performance and better operation of a shipping container refrigeration system A microprocessor based system monitors and controls a transport refrigeration system having a two speed compressor coupled to a condenser and an evaporator and further having two speed condenser and evaporator fans, a refrigerant modulating valve, and hea... | 05/05/1987 |
| 4639876 | Multi-unit energy use monitor A system for monitoring energy use by each of a plurality of tenants or other users of energy provided by a common heating/cooling plant and for allocating the energy expense for a building among such users on a pro-rata basis.... | 01/27/1987 |
| 4616325 | Zone condition controller and method of using same An electrically-powered zone condition control apparatus includes a first multiplexing means adapted for receiving analog status signals emanating from a plurality of passive signaling devices such as temperature or humidity sensors or potentiometers and ... | 10/07/1986 |
| 4602343 | Supervisory and control system having dynamic significant change of values Communications methods and apparatus are disclosed for multiple subsystem intercommunication for supervisory and control systems such as can be found in heating, air conditioning, energy control and other environmental control equipment that are installed... | 07/22/1986 |
| 4523714 | Heating apparatus A heating system is controlled in response to the external temperature in accordance with a heating curve in which the external temperature is related to the advance heating temperature of a fluid used in heating the space. According to the invention, the... | 06/18/1985 |
| 4516720 | Automatic temperature adjustment apparatus An apparatus for increasing the efficiency of a conventional central space heating system is disclosed. The temperature of a fluid heating medium is adjusted based on a measurement of the external temperature, and a system parameter. The system parameter ... | 05/14/1985 |
| 4497031 | Direct digital control apparatus for automated monitoring and control of building systems A low level, microprocessor based direct digital system controller includes power supply means for providing a source of regulated electrical power to the controller. A field programmable processor means transfers selected data base information to and rec... | 01/29/1985 |
| 4479190 | Detecting apparatus using a digital computer A detecting apparatus for compensating for changes in supply voltage to a physical parameter sensor. The apparatus includes an input element, such as a heatsensitive resistor connected to a voltage source to produce a voltage signal (CS) corres... | 10/23/1984 |
| 4477733 | Temperature dependent duty cycler control system The device herein is a temperature dependent duty cycler control system which provides a duty cycle off time locus responsive to a sensed temperature, and is characterized by two selectable off time periods which are connected by slope controllable rampin... | 10/16/1984 |
| 4475685 | Control system for efficient intermittent operation of building HVAC equipment A system of determining optimum start/stop times for HVAC equipment in a building utilizes quantized inside and outside air temperature values as the controlling data input. Lead-times necessary to achieve the desired control temperatures, given input and... | 10/09/1984 |
| 4463574 | Optimized selection of dissimilar chillers A system for meeting building air conditioning load conditions by optimally selecting a combination of chillers having dissimilar efficiency characteristics, the system having a load sensor for sensing building load a refrigerant head sensor for sensing r... | 08/07/1984 |
| 4449188 | Apparatus and method for controlling humidity Apparatus for controlling humidity comprises a humidity sensing circuit including a humidity sensing element the electrostatic capacitance of which varies in accordance with the ambient relative humidity, and an air-conditioning system responsive to the s... | 05/15/1984 |
| 4432210 | Air conditioning control method When a plurality of sensors or a circuit, required for air conditioning, are out of order a fail-safe calculation formula is employed to set the desired outlet air temperature for continuing air conditioning. A number of fail-safe calculation formulae exi... | 02/21/1984 |
| 4381075 | Microprocessor based controller for heating system An integrated, microprocessor-based primary control system for a building heating system. The control system includes in one unit a microprocessor and associated circuitry for (1) establishing the high limit of heat exchanger operation, (2) establishing t... | 04/26/1983 |
| 4373662 | Integrated control system using a microprocessor An integrated control system for a temperature conditioning apparatus which contains a microprocessor which is connected to the various components of a control system of the temperature conditioning apparatus such as the space thermostat, the fuel valve, ... | 02/15/1983 |
| 4373351 | Control apparatus for an air conditioning system providing a plurality of energy-saving modes of operation A microprocessor based control for a heat pump system providing at least two setback temperature settings individually selected by the system user to be effective during different time periods of the day, also individually selectable by the user. In the e... | 02/15/1983 |
| 4354241 | Programmable electronic real-time load controller providing for adaptation of load control in response to varying environmental conditions A programmable electronic real-time load controller includes: a plurality of load control circuits, each being adapted to be interconnected with a load; a hardware clock; and a data processor for executing a set of program instructions stored in a program... | 10/12/1982 |
| 4334275 | Energy auditing kit A portable, self-contained kit for on site auditing of the energy consumption characteristics of a building having a heating system and for providing a permanent written record of said audit. The kit includes measuring means for measuring various paramete... | 06/08/1982 |
| 4333316 | Automatic control apparatus for a heat pump system A microprocessor based heat pump control apparatus having a user-operated system console and a system function controller is provided in which normal operating target temperature settings are automatically converted to an expanded operating temperature ra... | 06/08/1982 |
| 4298943 | Heating system A method and system for modifying a conventional furnace are disclosed whereby greatly improved furnace operating efficiency is obtained. The temperature of the structure, the outside temperature, and the temperature of the heat exchange fluid are measure... | 11/03/1981 |
| 4210957 | Operating optimization for plural parallel connected chillers An optimization system for switching between plural parallel connected chillers in a refrigeration system is disclosed which system establishes optimized changeover criteria based upon the design refrigerant head for the chillers, the minimum refrigerant ... | 07/01/1980 |
| 4199102 | Temperature control system A temperature control system for monitoring and controlling a zone supplied with low-pressure steam is disclosed. The system utilizes a series of balanced Wheatstone bridges to provide a variety of automatic and manual control techniques to maintain tempe... | 04/22/1980 |
| 4185272 | Distribution control system A redundant digital address and function code is generated at a central location and transmitted through a signal circuit or an A.C. power distribution circuit to a plurality of receiver locations. At each addressed receiver location, the encoded function... | 01/22/1980 |
| 4173754 | Distributed control system A redundant digital address and function code is generated at a central location and transmitted through a signal circuit or an A.C. power distribution circuit to a plurality of receiver locations. At each addressed receiver location, the encoded function... | 11/06/1979 |
| 4114807 | Control system This system is of the power management type and is for controlling the operation of the various stages within a number of units such as heating, ventilation, and air conditioning units commonly referred to as HVAC units which may be of conventional design... | 09/19/1978 |
| 4109704 | Heating and cooling cost minimization In an air conditioning system having both a hot deck for heating air and a cold deck for cooling air, both decks being supplied by a supply duct, a control system is disclosed for minimizing the total cost of heating the air in the hot deck and cooling th... | 08/29/1978 |
| 4110827 | Load cycling with space temperature feedback A system for cycling loads within a building to save energy is disclosed having a control apparatus for cycling the loads on and off according to a predetermined cycle rate, each load having an on time and off time within a cycle and wherein the control a... | 08/29/1978 |
| 4071745 | Programmable time varying control system and method An electronic system and method are disclosed for controlling a measured temperature during a sequence of time intervals, in accordance with a sequence of selected reference temperatures, each corresponding to one of the intervals. The values of the refer... | 01/31/1978 |
| 4004138 | Method of and system for controlling temperature of continuous furnace A method of and system for controlling the temperature of a continuous furnace through which steel bodies are transported at a constant speed, in which the temperature is controlled so as to keep the distance from the entry port of the furnace to a positi... | 01/18/1977 |
