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| Number | Title | Issue Date |
| 7420134 | Fluid level switch The present invention provides a float level switch featuring a housing; an actuator shaft arranged in the housing; and a low force shaft seal assembly arranged between the actuator shaft and the housing, having a combination of disks or seals, one being made of a s... | 09/02/2008 |
| 7412905 | Paddle sensor A rotary paddle sensor for detecting a substance. A paddle or paddles are mounted on a rotating shaft coupled to a motion of the shaft by a slip clutch mechanism. The sensor detects movement of the paddle. If a substance impedes the movement of the paddle, the senso... | 08/19/2008 |
| 7071428 | Self-adjusting interlock actuator for a hinged cover A self-adjusting interlock actuator assembly for a hinged cover is composed of a cover hinge attaching the cover to the apparatus and a pivoting switch actuator. A spring means connects the cover hinge to the pivoting switch actuator. The spring means is arranged su... | 07/04/2006 |
| 7035913 | System for collection and distribution of calendar information The present invention provides a system for obtaining and distributing calendar information from one or more calendar sources, as may be defined by a user, in a manner that allows for easy incorporation of the obtained calendar information into a personal or group c... | 04/25/2006 |
| 6595051 | Fluid level sensing and control system An improved pressure activated control apparatus is provided for sensing fluid pressure and triggering one or more switches in response to the fluid pressure, as desired. The apparatus is designed to be placed within a fluid of a reservoir. The apparatus ... | 07/22/2003 |
| 6439821 | Hopper feed regulating apparatus A hopper feed regulator is provided for controlling the supply of feed to a hopper efficiently without having to directly contact the feed. The assembly includes a chamber having a switch contact, lever, upper hanger, cam follower and spring biasing arran... | 08/27/2002 |
| 5473312 | Full container recognition system Disclosed is a full container recognition system (5) for determining when a container (16) having an upwardly facing opening is filled with articles (18) to a predetermined level. The system includes at least one deflectable feeler arm (10) mounted to a s... | 12/05/1995 |
| 5389753 | Feed control switch assembly A feed control switch is provided for controlling the supply of feed to a hopper without the need to contact the feed. The control switch includes first member having a switch contact surface and a second member slidably moveable relative to the first mem... | 02/14/1995 |
| 5223819 | Material level indicating apparatus with status light and external test features Apparatus for indicating level of material in a vessel that includes a probe for placement in the vessel at a position corresponding to a desired height at which material level is to be detected. Electronic circuitry is coupled to the probe, and is respon... | 06/29/1993 |
| 5164555 | Rotating paddle bin level indicator Apparatus for indicating the level of flowable material in a storage bin that includes a motor mounted within a protective enclosure and coupled by a shaft and clutch arrangement to a paddle disposed within the bin to engage material therewithin. When the... | 11/17/1992 |
| 5147531 | Salt level monitoring device for water softeners A salt level monitoring device for water softeners including a weight for placement upon the salt mass; a drop line connected to the weight at one end and a sensor at the opposing, upper end; and a support member for supporting the sensor and drop line ov... | 09/15/1992 |
| 5132669 | Level sensor with alarm An alarm system for use in a salt-brine tank of a water softener has a sensor including a stem member having a lower end received in the bed of salt within the salt-brine tank and an upper end projecting above the bed of salt. An spaced pair of electrodes... | 07/21/1992 |
| 4718575 | Apparatus for ascertaining the level of flowable material in dust separators and the like The hoppers of several dust precipitators are connected to a common readily accessible monitoring station by discrete conduits each of which has a first open end at a preselected level in the respective hopper, a second open end at the monitoring station ... | 01/12/1988 |
| 4695685 | Rotating paddle bin level indicator Apparatus for indicating the level of flowable material in a storage bin comprising a motor mounted within a protective enclosure and coupled by a shaft to a paddle disposed within the bin to engage material contained therein. When the material reaches th... | 09/22/1987 |
| 4662182 | Ice storage detector for an auger type ice product making device An ice product storage detector which instantaneously detects when the ice products have filled the reservoir to its full capacity or when the amount of ice product in storage has decreased. The ice product storage detector includes a proximity switch pro... | 05/05/1987 |
| 4661663 | Tilt switch A novel suspended tilt switch method and apparatus for use in transporting bulk material and including a switch assembly having a plurality of parallel connected, position sensitive switch elements mounted in a predetermined configuration to provide norma... | 04/28/1987 |
| 4631374 | Diaphragm operated switch type bin level sensor A bin level sensor that includes a diaphragm operated switch arrangement for sensing the level of material in bins, and containers, comprising a housing of disc-like configuration that is recessed on one side of same to define a diaphragm chamber over whi... | 12/23/1986 |
| 4610147 | Ice detector for an ice making machine An ice detector for an ice making machine which includes an ice storage switch main body mounted to an inner ceiling wall of an ice reservoir and including a detecting switch, an ice product detecting lever pivotally mounted to a supporting shaft of main ... | 09/09/1986 |
| 4551663 | Level control device A level control device is disclosed comprising a paddle on a rotary shaft projecting from a housing, a carrier disc coupled to the shaft and supporting a plurality of torque-transmitting levers having first arms engageable by drive pins or an apertured dr... | 11/05/1985 |
| 4495388 | Bin level detector and filling switch A bin level detector and filling switch operates in response to a pulverulent, fluent material spilling over the top of a vertically mounted tube open at both ends. The upper and lower ends of the tube correspond respectfully to the points at which the bi... | 01/22/1985 |
| 4437090 | Apparatus for indicating creosote buildup in a chimney In order to provide an indication of the extent to which creosote has built up in a chimney, an accumulator on which creosote will also build up is held suspended in a chimney in a zone where a major creosote buildup is anticipated. The accumulator is so ... | 03/13/1984 |
| 4392032 | Rotating paddle bin level indicator Apparatus for indicating the level of flowable material in a storage bin comprising a motor rotatably suspended by a spring within a protective enclosure and a drive shaft coupled by a ball-and-detent clutch to a paddle disposed within the bin to engage m... | 07/05/1983 |
| 4375020 | Oscillating level indicator There is described a level-indicating device provided with a mounting the device in a wall of a bunker, tank or other container, a system for drive motor mounted to be freely rotatable about the axis thereof, an oscillating transmission unit connected to ... | 02/22/1983 |
| 4277657 | Apparatus for determining the quantity of particles present in a container Apparatus is disclosed for determining the quantity of particles present in a container. A sensor device is movably mounted in the container and is in contact with the particles. When the filling height in the container falls below a predetermined value, ... | 07/07/1981 |
| 4219132 | Apparatus for metering particulate material Apparatus is provided for metering particulate material from a source and transferring it to another location. The metering apparatus is primarily designed to supply a supplement or supplemental component to animal feed to obtain accurate control over the... | 08/26/1980 |
| 4211966 | Level control sensor switch mechanism In a level control sensor switch mechanism mountable upon a bin containing bulk material of varying levels, a housing having a base which is mounted upon the bin wall and mounts a low-torque, low-speed electric motor having an output shaft which is couple... | 07/08/1980 |
| 4172535 | Control apparatus for a pneumatically-operated hopper feeder The operation of a vacuum-conveying hopper feeder is controlled using pneumatic logic circuitry including a leak sensor relay providing improved control accuracy and with a sensor orifice which becomes occluded by a spring-loaded plunger when the feeder b... | 10/30/1979 |
| 4147906 | Rotation paddle bin level indicator Apparatus for indicating the level of flowable material in a storage bin comprising a motor rotatably suspended by a spring within a protective enclosure and a drive shaft coupled by a ball-and-detent clutch to a paddle disposed within the bin to engage m... | 04/03/1979 |
| 4103292 | Material sensing device A material sensing device comprising a flexible or collapsible tube with a light sensitive device therein which receives light through the tube from a spaced apart light emitting device. The signal from the light sensitive device is amplified and used to ... | 07/25/1978 |
| 4100761 | Movable ice receptacle A movable ice receptacle for use in a refrigeration apparatus having a refrigerated cabinet defining a space within which the receptacle is normally disposed and which is selectively closed by a movable closure. The receptacle is mounted for selective dis... | 07/18/1978 |
| 4095064 | Paddle for use in a rotating-paddle bin level indicator Apparatus for indicating the level of flowable material in a storage bin comprising a motor rotatably suspended within a protective enclosure and having a driveshaft directly coupled to a paddle disposed within the bin to engage material therein. A nipple... | 06/13/1978 |
| 4044209 | Material sensing switch A material switch comprising a body having an open first end and a second end closed by a wall member. A flange extends outwardly from the body at the first end thereof for securing the body to a supporting structure. A backing plate removably closes the ... | 08/23/1977 |
| 4031342 | Material sensing switch A material sensing switch comprising a hollow body having open opposite ends. A backing plate is removably secured to the body for closing one of the opposite ends. A flange extends outwardly from the body at the other of the opposite ends thereof for sec... | 06/21/1977 |
| 4003258 | Apparatus for detecting the level of a particulate material An apparatus for detecting the level or quantity of a particulate material contained in a vessel by means of an agitating and/or delivering member while agitating the particulate material which needs to be agitated from time to time. The agitating member ... | 01/18/1977 |
| 3979022 | Monitoring device A device in which the quantity of particles stored in a container is monitored. The device is arranged to indicate when the supply of particles is beneath a predetermined level. A shaft member positioned in the particle storage container is rotated from a... | 09/07/1976 |
| 3975605 | Particulate material supply detectors A particulate material supply detector including a sensor element arranged to be located in particulate material in a compartment and to be displaceable by movement of the particulate material past the sensor element, the position of the sensor element be... | 08/17/1976 |
| 3946901 | Apparatus for controlling the level of a particulate pourable material in a defined space A feeler is moved in a defined space at a predetermined level in alternately opposite directions. If the level of particulate material in the space reaches or exceeds the predetermined level, the movement of the feeler encounters resistance which is sense... | 03/30/1976 |
| 3941956 | Apparatus for indicating the filling level of silos and the like An electromotor is mounted on a support and has a shaft extending into the silo or the like. The shaft, which is rotated by the electromotor, carries a blade which contacts the material in the silo when the material rises to a predetermined level. This pr... | 03/02/1976 |
| 3933041 | Bulk material level measuring system A system and method for measuring the level of bulk material stored in a bin, tank, silo or the like. A multiple link chain is disposed along an axis between two vertically displaced reference points with the chain having an upper end above and a lower en... | 01/20/1976 |
| 3931911 | Ice dispensing machine An apparatus for receiving flaked or particulate ice from an associated ice making machine and adapted to selectively dispense the ice into a glass or similar receptacle, the apparatus including a rotatable ice storage bin, means defining a discharge open... | 01/13/1976 |
