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| Number | Title | Issue Date |
| 4273244 | Crane upperstructure self-transferring system A crane has an upperstructure that is mounted on a carrier by a quick-disconnect turntable mounting. The upperstructure can be transferred from the carrier to a transport, and back to the carrier, by a system that does not require an auxiliary crane. A li... | 06/16/1981 |
| 4265332 | Heat extracting muffler system A muffler system positioned within the engine housing of the vehicle such as a garden tractor, includes a muffler surrounded by an open ended tubular heat shield having a venturi tube on its outer end which receives and accelerates the exhaust gases to cr... | 05/05/1981 |
| 4248032 | Bagging apparatus An apparatus for inserting a carton into a thermoplastic bag includes a table for supporting the bag, a pusher assembly for transferring a carton into the bag, and a guide assembly for first opening the bag mouth and for thereafter guiding the carton into... | 02/03/1981 |
| 4245663 | Valve with condensate recovery device A pressure relief valve of the diaphragm type having a condensate recovery device. The condensate recovery device is connected to the disc of the relief valve and provides means for moving condensate from an upper control chamber to either an inlet chambe... | 01/20/1981 |
| 4214013 | Continuous pressure cooking method A continuous cooking or sterilizing process employs apparatus wherein particulate foods are cooked under pressure in and by the cooking sauce with which the food is eventually packed in containers. The sauce is externally heated in a heat exchanger to the... | 07/22/1980 |
| 4209192 | Fluid transfer adapter for connecting a single conduit to a plurality of tanker manifolds An adapter especially suited for transferring petroleum fluids from a single large-diameter loading arm to a plurality of smaller tanker manifolds, including a generally T-shaped connector having a large-diameter inlet housing at one end and a plurality o... | 06/24/1980 |
| 4205591 | Multiple speed hoisting system with pressure protection and load control A multiple speed hoisting system has a first fluid circuit, with a maximum effective cross-sectional area for hoisting heavy loads at low speed, and a second fluid circuit, with a smaller effective cross-sectional area for hoisting lighter loads at higher... | 06/03/1980 |
| 4202372 | Articulated fluid conduit with auxiliary support An expandable and retractable fluid conduit is disclosed for conveying fluid between a fixed point and a movable point. A plurality of rigid pipe sections are pivotally connected in end-to-end relation by swivel joints to form an articulated fluid conveyi... | 05/13/1980 |
| 4200953 | Surface sweeper with floating broom chamber A maneuverable surface sweeper has a framework supporting a hopper configured to receive dust and debris swept from an underlying surface. A broom chamber is mounted within the framework overlying the surface to be swept and in communication with the hopp... | 05/06/1980 |
| 4198758 | Chain measuring and conveyor control system A method for measuring the length of segments of moving chain includes the steps of measuring the velocity of the chain by timing the interval a point on the chain moves a known distance and timing the interval between the sensing of one end of the segmen... | 04/22/1980 |
| 4197935 | Automatic feeding of spaced articles to a processing machine Feeding a longitudinally extending lane of regularly spaced articles to a horizontal form, fill and seal wrapping machine is disclosed. To insure regularity of spacing and that no gaps are created, in-line operatively integrated storage and transferring c... | 04/15/1980 |
| 4198092 | Seat suspension system A seat suspension system includes a rigid support plate angled downwardly and pivoted to a supporting vehicle at the plate's forward end. A bucket seat is connected to the plate by hand screws that extend through slots in the plate to provide leg room adj... | 04/15/1980 |
| 4198076 | Pipe coupler with positive disconnect device A pipe coupler for releasably connecting two flanged pipes together in end-to-end manner, and with a means for positively disconnecting the pipes when the cpupler's grip thereof is released. A plurality of the couplers are mounted on and spaced around one... | 04/15/1980 |
| 4196816 | Heavy duty crane A crane is operable in either a regular mode or a heavy duty mode. In the regular mode, an upper works is rotatble, through a turntable bearing, on a lower works. A boom is pivotally connected to one end of the upper works and a counterweight is connected... | 04/08/1980 |
| 4194347 | Method and apparatus for shaking trees grown in rows In a down-the-row type of tree shaking apparatus, a support frame is pivotally mounted to a carrier vehicle for rotation about an axis which is parallel to the longitudinal axis of the vehicle, and a suspension frame, from which a tree shaking and clampin... | 03/25/1980 |
| 4193449 | Valve operating circuit A hydraulic valve operating circuit for providing positive opening and closing of a downhole safety valve includes shut-off valves which prevent leakage of fuel to the outside environment if a leak should occur in the hydraulic lines which are connected t... | 03/18/1980 |
| 4188039 | Bulkhead shaft seal A normally non-contacting rotary seal is disclosed which prevents fluid from leaking from one zone, or compartment, to the next through an opening in the compartment separating wall, or bulkhead, through which a rotating shaft passes. The passage of fluid... | 02/12/1980 |
| 4186617 | Rocker joint roller chain A hybrid type chain having a low wear pivot joint between inner and outer links has been provided. Both the inner and outer links of the chain are pin links with the pins tightly received, respectively, in the sidebars of the links. Each pin of an inner l... | 02/05/1980 |
| 4186661 | Flexographic inking system including a reverse angle doctor blade This disclosure concerns a modification to printing apparatus utilizing flexographic process inks. To insure an adequate supply of ink to the anilox roll, a barrier, preferably in the form of an idler roll, is provided to reduce the rate at which ink is r... | 02/05/1980 |
| 4185516 | Overload safety fastener A motion transmitting control has an outer flexible conduit and an inner operating member reciprocable within the conduit. Attached to one end of the conduit is an end fitting having an externally threaded portion that fits through an aperture in a mounti... | 01/29/1980 |
| 4186091 | Water intake screen installation and method of straining water A water intake screen installation has a traveling water screen unit, that is positioned between a water intake and a stream of water flowing in a channel, to strain a quantity of water diverging from the channel stream towards the water intake. The scree... | 01/29/1980 |
| 4185541 | Method and apparatus for hydraulically controlling subsea well equipment Method and apparatus for hydraulically controlling subsea well equipment, such as valve operators, connectors, and other hydraulically actuated devices, with a significantly reduced number of hydraulic pressure source lines from the surface to the subsea ... | 01/29/1980 |
| 4180915 | Runout compensation in vehicle wheel alignment measuring apparatus In certain wheel alignment measuring apparatus, a fixture is clamped to the rim of a wheel and an alignment sensor is pendulously mounted upon the fixture so that as the wheel is rotated the sensor will not rotate with the fixture. However, since the plan... | 01/01/1980 |
| 4180421 | Torsion bar and method of forming the same A method of forming a torsion bar wherein steel, preferably an alloy steel of medium carbon content, is formed in the desired size and shape and is through hardened for providing a desired core hardness. The case of the bar is then hardened for transformi... | 12/25/1979 |
| 4176984 | Fish holding pan on traveling water screen and method of flushing same In a water screening installation, a traveling water screen removes both refuse and aquatic life from a stream. The aquatic life, such as fish and shrimp, are uplifted in pans that are mounted on an ascending run of the screen. At a location above the str... | 12/04/1979 |
| 4174000 | Method and apparatus for interfacing a plurality of control systems for a subsea well A system for controlling a plurality of subsea wellhead operators provides a dual set of operator controls having an electrical control cable and a pair of hydraulic control lines from the wellhead to a control center at the surface of the water. A primar... | 11/13/1979 |
| 4173257 | Root crop harvester A two-row crop harvester for carrots, beets, etc. has a wheeled chassis with a forward cab disposed to one side of a pair of lifter frame assemblies. Each lifter frame assembly has a main component with a forwardly gathering element rigidly connected to a... | 11/06/1979 |
| 4172591 | Trunnion assembly The trunnion assembly includes a housing and a one-piece tubular shaft journaled within bushings secured in the housing. Thrust forces acting on the shaft in one direction are counteracted by a spacer disposed between one bushing and a hub rigidly secured... | 10/30/1979 |
| 4172557 | Air sprayer apparatus for vineyards and the like A vineyard air sprayer includes an axial fan type of blower assembly which is vertically mounted upon a trailer rearwardly of a spray tank. The blower assembly has a cylindrical outer shell having an annular discharge ring mounted to the bottom end thereo... | 10/30/1979 |
| 4165084 | Reciprocating pump packing A packing for a reciprocating pump comprises a resilient body of elastomeric material with a cup-like shape and includes a plurality of flat cantilevered spring members embedded within the annular wall of the body. The spring members provide support for t... | 08/21/1979 |
| 4164590 | Low liquid volume retort method A low liquid volume retort method is provided wherein a tunnel is disposed within and spaced from the side walls and cover of a retort. A plurality of spaced containers are loaded in the tunnel, and a liquid maintained at a temperature different from that... | 08/14/1979 |
| 4161367 | Method and apparatus for completing diverless subsea flowline connections A diverless subsea flowline connection system includes connectors for remotely connecting the ends of a first bundle of flowlines to the ends of a second bundle of flowlines and guidance components which direct the end portions of the first bundle of flow... | 07/17/1979 |
| 4160608 | Preloading nut for wedge sleeve A nut is provided for preloading a sleeve which is wedged between a tubular member and a shaft. The nut, which is threadedly received on the tubular member, has a resilient, radially inwardly extending portion to engage the end of the wedge sleeve. When t... | 07/10/1979 |
| 4159776 | Tower crane A tower crane is disclosed in which a balance arm is pivotally connected to the top of the tower on an axis midway between the front edge of the tower and the rear edge thereof. The front end of the balance arm extends beyond the front edge of the tower, ... | 07/03/1979 |
| 4154531 | Time base swept-beam wheel aligning system A wheel alignment measuring system for measuring front wheel toe including a laser beam light projector mounted on a front wheel of a motor vehicle which projects a beam of light onto a pivotally mounted front mirror on the projector which oscillates back... | 05/15/1979 |
| 4154491 | Retainer ring for cylindrical roller bearings A bearing assembly retainer ring has pockets for holding cylindrical rollers in arcuately spaced relationship about a central axis of the retainer ring. Each pocket has two end faces that are spaced axially of the retainer ring and two side faces that are... | 05/15/1979 |
| 4148335 | Relief valve improvement The purpose of the invention is to provide a pilot-valve-controlled safety valve for venting excess pressures without allowing any noxious gas to exhaust to atmosphere in the vicinity of personnel. This purpose is achieved by the provision of a safety valve an... | 04/10/1979 |
| 4147069 | Geared belt for positive drive transmission A geared belt provides for the positive transmission of motion between the belt and a sprocket. The belt has inwardly projecting gear teeth, with tooth faces that are contacted by sprocket teeth, and thin flexible portions bridging the space between succe... | 04/03/1979 |
| 4143512 | Anti-collapsing chain having loop center link A chain has alternately arranged center links and sidebars that are interconnected by pins of a predetermined diameter. An elongated opening is provided in each center link for receiving two pins. Adjacent each end of the elongated opening, lugs project f... | 03/13/1979 |
| 4143675 | Torsionally controlled swivel joint A torsionally controlled swivel joint having at least one axis of rotation is provided with a torque element, either in the form of a helical torsion spring or one or more torsion bars, completely enclosed within the flow passage of the joint to counterac... | 03/13/1979 |
