Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6050485 | Apparatus for counting recyclable returnable item having an air tight trap door mechanism An apparatus for counting recyclable, returnable items is provided. The apparatus includes a housing with an opening through which recyclable, returnable items ("returnables") are received for deposit into a receptacle located below the housing. As return... | 04/18/2000 |
| 5864070 | Apparatus and method for detecting sizing or marginal gradation changes of a controlled or random sized product on a conveying medium Apparatus and method apparatus for detecting marginal gradation changes of a controlled product on a conveyor. The apparatus comprises a transducer (4) for converting swinging motion to a number of pulses; a member (24) operably secured to the transducer,... | 01/26/1999 |
| 5682025 | Load alternation loading device A load alternation counting device for an actuation device that is periodically hydraulically loaded has a cylinder and a piston sealingly positioned within the cylinder and axially displaceable therein. A pressure connector is provided for connecting the... | 10/28/1997 |
| 5656801 | System and a method for counting people A system and a method for counting the number of people passing a entry point in a predetermined direction. The system includes a foot-activated, pressure sensitive platform deployed at the entry point for providing a time-dependent pressure profile vecto... | 08/12/1997 |
| 5541393 | Sheet counter system with controlled braking A sheet counter system includes a feeding section, a carrying section, a counting section, a stacking section and a control section. When the length of a sheet or the like is less than a length reference value, the control section starts braking of the fe... | 07/30/1996 |
| 4979670 | Apparatus for sensing objects on a moving conveyor A sensor for sensing and counting objects on a moving conveyor. Objects are moved on the conveyor past a sensor having first and second legs pivotally mounted about a fixed axis above the conveyor. The second leg is offset from the first leg in the direct... | 12/25/1990 |
| 4974237 | Contact type paper counter A contact sensor apparatus counts associated sheet products as they pass over a generally planar surface. a vacuum source draws a bottom surface of a sheet product onto the planar surface. A contact member is selectively deflected through engagement with ... | 11/27/1990 |
| 4925188 | Toy race track and lap counter A toy race track and lap counter comprising a track with adjacent lanes each forming a complete circuit and racing objects which are propelled around the track by pressurized air controllably discharging from separate nozzles in a propulsion tower. Separa... | 05/15/1990 |
| 4733769 | Device for counting moving objects, such as eggs A device is provided for counting moving objects, such as eggs lying on a moving conveyor belt. This device comprises a lever which can be moved by the moving objects, a signalling element for generating a detectable signal as a response to a movement of ... | 03/29/1988 |
| 4713831 | Counting method and device A counting device for counting the number of objects such as folded box blanks in a flow of folded box blanks characterized by a sensor having a portion engaging a leading edge of a blank in the flow and being moved to activate a pulse generating device. ... | 12/15/1987 |
| 4562339 | Inserted product newspaper sensor A sensor assembly having senser fingers swingably mounted upon a rotatable support and resiliently biased to extend radially outward. In the three-finger embodiment, a detent assembly rotatable with the support detents the support through a 120 degree rot... | 12/31/1985 |
| 4539470 | Counter apparatus for counting flat products moved along a conveying path or the like A product counter apparatus is disclosed comprising a support element which bears against the products, typically printed products, which are to be counted. A holder device is mounted at the support element. Secured to such holder device is a substantiall... | 09/03/1985 |
| 4493988 | Odometer using an electric motor disposed within annular figure wheels In a highly compact odometer an electric motor which drives a mechanical display thereof, is disposed within the set of annular figure wheels used in the display and drivingly connected to said wheels through a worm and worm wheel drive train. In the case... | 01/15/1985 |
| 4354098 | Egg counter A counting apparatus is provided for producing a countable signal in response to each object moving past a predetermined point in a predetermined path of travel. This counting apparatus comprises a lever interposed in the path of travel substantially adja... | 10/12/1982 |
| 4148393 | Sensing device and method A sensing device for sensing individual articles such as newspapers, magazines and the like in a stream of such articles flowing along a predetermined work path. The device and method utilize a rotatably mounted polygonal sensing member having an outer pe... | 04/10/1979 |
| 4139765 | Apparatus for counting printed products arriving upon a conveyor path in an imbricated product stream and method of operating such apparatus An apparatus for counting printed products arriving at a conveyor path or track in an imbricated product stream, comprising a feeler bearing under the action of a contact force upon the product stream and secured against entrainment in the conveying direc... | 02/13/1979 |
| 4122331 | Passer counter A device for counting the number of persons entering or exiting a given area including a mat switch having a plurality of normally open independent switches arranged in the form of a ladder and a plurality of resistors each connected to one of the plurali... | 10/24/1978 |
| 4095092 | Aquatic animal counting Aquatic animals (e.g., fish) are counted in the same operation in which the fish are sorted as to size. This minimizes the labor required for counting because it is the same labor as that used for sorting the animals. A grading or sorting barrier is provi... | 06/13/1978 |
| 4092759 | Counting mechanism for a motor vehicle washing plant A counting mechanism for a motor vehicle washing plant. A vertically movable switching member is located in the track in the washing plant and in the path of the vehicle wheel located in the track. The switching member is movable vertically upon engagemen... | 06/06/1978 |
| 4091269 | Sensing device for counting workpieces transported in stepped formation In a counting arrangement for articles such as single or multilayer paper sheets having greatly varying thicknesses, a sensing device is arranged between the loading rollers bearing on the surface of the article stream delivered in overlapping fashion and... | 05/23/1978 |
