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| Number | Title | Issue Date |
| 5392538 | Extendable drag plow The extendable drag plow provided by this invention has a laterally-fixed center section, and moveable outer sections positioned by a controllable actuator system. The moveable plow sections are equipped with followers engaging oppositely-extending pairs ... | 02/28/1995 |
| 5350209 | Handle for a trailer ball-mount A gripping device provided with handles is adapted to engage the ball of a conventional trailer hitch as a convenience in handling the hitch when it is removed from the towing vehicle. The preferred form of the device provides a clam shell-type grasping a... | 09/27/1994 |
| 5332082 | Conveyor turn drive A corner conveyor having a flat endless carrying belt is supported on a frame defining an arcuate conveying path. Either the upper or the lower course, or both, are driven by pinch rollers located at an intermediate point around the turn. The conveyor pre... | 07/26/1994 |
| 4809408 | Shielded wedge-type cable clamp A wedge-type cable clamp has an outer member providing an open-ended tapered recess receiving a wedge around which a cable is wrapped in the usual manner. The wedge projects beyond the larger end of the recess, and the sides of the outer member extend pas... | 03/07/1989 |
| 4771570 | Machine for laying film along a planting row A machine for laying shelter film along a planting row supports the film roll at least in part on wheels disposed to press the opposite edges of the film into furrows in the ground. The film is thus carried by the wheels from the roll to the ground. A can... | 09/20/1988 |
| 4753034 | Anti-frost fan A vertical-axis centrifugal fan is operated in an orchard or crop area to draw warm upper air downward, and urge it laterally outward to displace lower strata of cold air to prevent freezing. The rotor is axially open on top, and closed on the bottom to e... | 06/28/1988 |
| 4742785 | Planting machine with ground-conditioning drive A planting machine has a ground-conditioning wheel ahead of the planting mechanism. This wheel normally carries a portion of the weight of the machine. The traction thus established is utilized to generate power for the planting mechanism as the machine i... | 05/10/1988 |
| 4722388 | Heat exchanger A heat exchanger has a primary circuit formed by a serpentine tube with parallel sections spaced to receive open ended tubes preferably of the same diameter between and around the primary tube sections in the natural arrangement of six about one. A second... | 02/02/1988 |
| 4722672 | Hydraulic energy-conversion device A device capable of functioning as a fluid pump or motor has a related hydraulic circuit controlling the relationship of the case pressure to the pressure in high-pressure port. The arrangement thus limits the operating pressure effective on the seal syst... | 02/02/1988 |
| 4720119 | Steering system for a four-wheeled trailer A four-wheeled freight trailer adapted particularly to farm use has its front axle beam fixed with respect to the frame of the trailer, and has steerable wheels at the opposite ends of this beam. The tongue of the trailer is fixed with respect to the fram... | 01/19/1988 |
| 4658538 | Machine for forming wire arches, and installing the ends of the arches in the ground A machine bends pieces of wire into an arch configuration, and then inserts the ends of the arch into the ground to form a support for a shelter film protecting a row of plants. An orbital system rotating on an axis parallel to the axis of ground wheels p... | 04/21/1987 |
| 4659083 | Golf club with converging directional indicia The head of a golf club is provided with directional indicia oriented to the path of movement of the face of the club. Groups of lines converging in the direction of striking form the indicia. Projections of the lines converge with an axis perpendicular t... | 04/21/1987 |
| 4653344 | Laterally-disengageable bearing system This bearing system has been developed primarily for long rotating shafts having a number of support points and supported objects. A beam is preferably extruded with a T-slot in one face. The slot receives the heads of mounting bolts securing a split bear... | 03/31/1987 |
| 4642001 | Spade drill with replaceable cutting-insert carrier This spade drill has an elongated holder with a standard driving configuration at one end, and adapted at the axially opposite end to receive a carrier block provided with receptacles for receiving indexable standard cutting inserts of extremely hard allo... | 02/10/1987 |
| 4631799 | Combined motorizing and drilling machine A work piece is mortised to receive an insert, and drilled for fastenings securing the insert in position, in a single cycle of operation facilitated by mounting the drill in an axial hole in the routing cutter. The drill is guided by the radially inner s... | 12/30/1986 |
| 4591978 | Method of interrelating a master computer with a peripheral device A master computer of a controlled system is interrelated with the executory computer of a peripheral device via a standard serial interface. This relationship centers in the programming of the executory computer to make available on command from the maste... | 05/27/1986 |
| 4588377 | Thermocouple probe assembly A thermocouple probe assembly for a billet furnace is provided with replaceable contact tips joined to the shanks of the probe rods within a surrounding insulator to inhibit oxidation of the junctions. Two pairs of probes are used, each pair being associa... | 05/13/1986 |
| 4587983 | Method of installing an artificial toe or finger nail at the site of the surgical removal of the natural nail An initially plastic mass is interposed between an artificial nail and a toe or finger nail bed under gentle pressure, after applying a parting agent to the nail bed. The mass bonds to the nail, and separates from the nail bed at the parting agent as the ... | 05/13/1986 |
| 4563137 | Rotary hydraulic energy-conversion device with two dams engaging a rotatable ring A device capable of functioning as a fluid pump or motor has a shaft provided with an eccentric rotating with the shaft in an axially short cylindrical chamber. A ring is rotatable on the eccentric, the thickness of the ring being close enough to the mini... | 01/07/1986 |
| 4523403 | Fishing device A foldable frame receives and supports fishing poles in the usual upwardly-inclined position. One detector on the frame responds to a force applied to any one of the poles, such as a pull on the line carried by the pole, and activates a bell signal accord... | 06/18/1985 |
| 4513530 | Machine for laying film material The machine is coupled to a standard tractor, and normally slides over the ground on a skid plate as the vehicle moves forward. A film roll is supported on the machine in a position to be unwound, and the film is progressively deposited on the ground behi... | 04/30/1985 |
| 4505096 | Sweeping machine with arcuate paddle of flexible material The machine is attached to a standard tractor, and has a pair of sweeping rotors driven by an hydraulic system. The rotors are mounted on a pair of booms, respectively, pivotally connected to a structure carried by the tractor so that the booms can be swu... | 03/19/1985 |
| 4505386 | Tackle box The tackle box has upper and lower trays surrounded by a wall defining a space in which lures can be suspended from the underside of the upper tray. A handle operates a vertical shaft slideable with respect to the lower tray to lift the upper tray and bri... | 03/19/1985 |
| 4440553 | Air-filtration module with ionization for elimination of static electricity A filtration module containing a filter element is provided with an ionization device on the outlet side of the filter module which utilizes the outlet grille and portions of the standard filter element as components of the ionization device.... | 04/03/1984 |
| 4385427 | Machine for installing upholstery covers The padded frame of a seat being upholstered rests on a support placing the back of the seat in vertical alignment under a carriage mounted on guides establishing a vertical freedom of movement of the carriage. The carriage has a cluster of resilient cant... | 05/31/1983 |
| 4377738 | Method of controlling the temperature of an electrically heated element The temperature of an electrically heated element is controlled by applying a current until the element reaches a threshold temperature, preferably determined by the expanded length of the elements, and then applying a predetermined voltage-current condit... | 03/22/1983 |
| 4368569 | Hose clamp tool A tool for manipulating standard resilient hose clamps is in the form of a flat plate with a keyhole-shaped opening adapted to receive the radial ends of the clamp.... | 01/18/1983 |
| 4362423 | Coupling for coil-thread rebar This coupling device locks together overlapped lengths of coil-thread rebar by positively interengaging segments of the device with the threading of the respective rebar rods, and positively interengaging the segments themselves for alignment, and to comp... | 12/07/1982 |
| 4355444 | Tie connectors The described modifications of tie connectors are adapted to receive a rope, strap, chain, or other flexible tension member. A portion of the connectors establishes the alignment of the unit with respect to the line of tension, and another portion is prov... | 10/26/1982 |
| 4333750 | Filtration module with included illumination A filtration module having a receptacle for a filter element accessible through the outlet opening of the module has light means disposed outwardly from the receptacle with respect to the direction of air flow. The module is also preferably provided with ... | 06/08/1982 |
| 4329003 | Cabinet-suspension system An elongated rail having a cross-section with hook-shaped shelf projections, and adapted for extrusion, is secured to a wall by fastenings and adhesive for transfer of stresses to the stud structure of the wall. The rail has a substantial back portion pro... | 05/11/1982 |
| 4327888 | Brackets for attachment to perforated panels The present invention provides a modified configuration of the outer plate of the system shown in U.S. Pat. No. 3,545,711 to facilitate installation, and also provides further developments in brackets for special purposes. One of these brackets incorporat... | 05/04/1982 |
| 4263108 | Control system for the electrolytic recovery of silver from photographic fixing solution Plating current in a silver-recovery process is controlled as a function of the cell voltage of the system taken in the absence of plating current, and held as a control determinant. The control is modified to produce certain characteristics at low silver... | 04/21/1981 |
| 4252280 | Attrition mill The cylindrical rotating grate of an attrition mill is constructed by welding a group of bars in close spaced parallel relationship, and then rolling this assembly into a cylindrical configuration. The meeting ends of this configuration are then welded, a... | 02/24/1981 |
| 4248140 | Duct outlet A tubular section of a duct outlet unit normally is received in an opening in a room wall panel. A grille is rotatably mounted in the outlet end of the unit, and has an axial extension received in a bearing supported by a diametral beam extending across t... | 02/03/1981 |
| 4235537 | Method of testing photographic film using multicolor sensitometer The sensitivity of photographic materials is measured by a device that generates a controlled exposure of light of predetermined color characteristics. Color control is maintained by subjecting an electroluminescent light source to excitation by alternati... | 11/25/1980 |
| 4223421 | Separable hinge This hinge assembly includes normally interengaged leaves, one of these supporting a D-shaped shaft in fixed position. The opposite leaf has bearing sections with open sectors that admit only the minor transverse dimension of the shaft in a praticular rel... | 09/23/1980 |
| 4220533 | Liquid-separating device A disc is rotatably mounted in a position to be partially exposed to, or immersed in, a liquid. Slow rotation of the disc causes liquid adhering to the disc to move upward into a position where wipers remove most of the adhering film, and divert it into a... | 09/02/1980 |
| 4217121 | Filter module with independent securing means for an outlet grille, and for a filter element behind the grille A filter module has a housing providing a receptacle for a standard filter element, and also has a lateral extension for accommodating securing means to hold the filter element in place. The lateral extension defines a grille opening for removeably receiv... | 08/12/1980 |
| 4215968 | Container-dumping machine A frame pivotally supports a container receptacle in a position where a container can be placed conveniently by a lift truck. A carriage mounted for vertical movement under the receptacle bears on the receptacle at a position laterally displaced from the ... | 08/05/1980 |
