Patents Represented by Attorney Thomas M. Scofield
  • Patent number: 4783028
    Abstract: Improvements in devices designed to actuate the air brakes of a freight car when a derailment occurs; a device which operates to immediately detect a wheel derailment of a railway train and automatically brings the air brake system of the train into a state of emergency stop; a fail open system and apparatus including an air relief valve attached to a railway car and also connected to the air brake pipe of the air brake system, sensor cylinder and spring assemblies connected to the railroad car body at one end thereof and at the other end to the side frame of a railroad car truck adjacent the railroad car wheels, an oil reservoir in the air relief valve which, when full, maintains the air relief valve closed and not venting air from the air brake pipe, a piston with an elongate piston rod associated with an oil reservoir in each sensor cylinder, the end of the piston rod being attached to the truck side frame, a line communicating between the oil reservoirs of the air relief valve and each sensor cylinder so
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: November 8, 1988
    Inventor: Phillip W. Olson
  • Patent number: 4773436
    Abstract: Improvements in pot and pan washing machines (as opposed to dishwashing machines and drinking glass washing machines); a device adapted to receive large pots and pans used in cooking operations in a restaurant or the like which is downstream, typically, in the work process of cleaning pots and pans, from an initial scraping and scrapping tank, then, typically, is followed by a rinsing tank, the latter then followed by a sanitizer tank; a pot and pan washer tank utilizing a multiplicity of relatively high velocity, underwater, spaced apart water input jets on one wall thereof which provide a tank-wide circulating flow from upper back to lower front and then upwards and back within the tank from the front wall, the jet nozzles being positioned below the operating water level, there preferably being an overflow opening above the jet nozzles and pipes associated therewith, a pump circulating water from a lower portion of the tank at one side thereof to the noted jet nozzles, a faucet being preferably provided abo
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: September 27, 1988
    Assignee: Cantrell Industries, Inc.
    Inventors: John W. Cantrell, Thomas D. Gault, William R. Cantrell
  • Patent number: 4765338
    Abstract: Improvements in reuseable, heat exchanging head pieces for cooling or heating substantially the entire hair bearing (scalp) area of the human head; improvements in a blank form for use in the manufacture of such product for the said purposes for filling with reuseable heat exchanging materials; a reuseable, heat exchanging head piece employable with cancer chemotherapy patients in order to cool the scalp zone of the head in order to prevent hair loss during chemotherapy treatment and injections; improved reuseable devices and processes for heat exchanging the human scalp, including such with a variable or adjustable size headband constriction and limited, yet controllable upper head surface of skull surface compression for full, substantially "holiday" free cooling or heating; further improvements in such heat exchanging head pieces wherein the blank form and heat exchanging head pieces are alternatively used or available for use in a one-shot or nonreuseable configuration.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: August 23, 1988
    Inventors: Richard W. Turner, Vernon E. Stewart
  • Patent number: 4729256
    Abstract: Improvements in means of and methods for mounting grips (hand grips, for example) on handlebars of bicycles and motorcycles; improvements in means of and methods for mounting resilient sleeves on shafts, pipes, rods and the like; inserting a plastic sleeve or strip into a resilient sleeve or handgrip, such operable to serve as a sliding, low friction surface with respect to a handlebar, shaft, pipe, rod or the like as the resilient sleeve or handgrip is mounted thereon.
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: March 8, 1988
    Inventor: Arnold A. Kelson
  • Patent number: 4712326
    Abstract: An improved jig type fishing lure, the weight including a noisemaker; a fishing hook having a lead weight cast on the end thereof opposite the bend and point, the weight having formed therein an elongate cavity to receive a noisemaking pellet, the noisemaking pellet sealed in the cavity by a cap held in place by displaced material of the weight; relatively massive weights cast around the eye end of fishing hooks with an elongate cavity formed within the weight to receive a noisemaking ball or pellet, the cavity formed in the weight running substantially parallel with the shank of the hook and being sealed by a cap held in place by the displaced material of the weight.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: December 15, 1987
    Inventors: Gary W. Hoover, Geuane Empson, Bruce W. Ashley
  • Patent number: 4701092
    Abstract: Methods of and apparatus for first establishing an elongate vertical stack of pallets within a surrounding vertical frame on special supporting and dispensing apparatus and thereafter sequentially dispensing individual pallets from the low end of said stack to floor level for pick up by conventional, pallet handling fork trucks; methods of and apparatus for establishing, first, a plurality of axially aligned elongate vertical stacks of pallets mounted on special supporting and dispensing apparatus within a retaining, surrounding vertical frame and thereafter sequentially or simultaneously dispensing individual pallets from one or more of the axially aligned stacks of pallets for single or multiple pickup by the fork members of conventional pallet handling trucks.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: October 20, 1987
    Assignee: Yarbrough'o Machine Shop
    Inventors: Gary L. Reynaud, Calbert Allcorn
  • Patent number: 4673130
    Abstract: Systems and structures for elongate boom mounting, deploying and recovery for agricultural equipment, such systems mountable either at the front or rear end of a powered or towed vehicle; mounting masts and frame structures associated therewith for pivotally mounting elongate booms on mobile equipment in deployable and recoverable fashion, such utilizing manual operator power rather than power cylinders and the like; a frame for mounting elongate booms including a pair of rearwardly inclined boom support members, a pair of transverse upper and lower beam members connecting the upper and lower ends of the boom support members and a pair of horizontal, spaced apart, forwardly extending axial beams each connected to an upper end of one of the boom support members, sets of cables coupling the booms with the frame members, the inner ends of the booms pivotally mounted on the lower ends of the boom support members.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: June 16, 1987
    Inventor: Virgil E. Simpson
  • Patent number: 4658126
    Abstract: Improvements in aids to bad check control; use of a copying machine to print driver's licenses, state identification cards, social security cards or the like on the backside of a check when it is written; personalizing and identifying checks by copying identification cards on the backside of the check when the check is accepted; improvements in processes of check identification marking in aid of collection of bad checks.
    Type: Grant
    Filed: November 10, 1985
    Date of Patent: April 14, 1987
    Inventor: Joseph A. May
  • Patent number: 4653170
    Abstract: Improvements in means of and methods for mounting grips (hand grips, for example) on handlebars of bicycles and motorcycles; improvements in means of and methods for mounting resilient sleeves on shafts, pipes, rods and the like; inserting a plastic sleeve or strip into a resilient sleeve or handgrip, such operable to serve as a sliding, low friction surface with respect to a handlebar, shaft, pipe, rod or the like as the resilient sleeve or handgrip is mounted thereon.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: March 31, 1987
    Inventor: Arnold A. Kelson
  • Patent number: 4653226
    Abstract: Improvements in guard devices for windows; a bar carrying frame removably fixable within the runs for the upper sash of a double hung sash window; improvements in guard and protective devices for double hung sash windows wherein the lower sash may be fully opened while the upper sash may be partially opened; window guard improvements where the barred frame member inserted in the window is instantly removable from the inside of the dwelling in case of an emergency such as a fire to enable egress out the window if necessary.
    Type: Grant
    Filed: October 24, 1985
    Date of Patent: March 31, 1987
    Inventor: Ernest L. Woodrow
  • Patent number: 4653713
    Abstract: A mounting clip adapted to engage the top platform of a self standing or step ladder, such clip configured to be engaged by a specially shaped opening in the body parts of a tool tray or toolbox; a T section bar member resiliently fastenable to the top platform of a step ladder for engagement by transverse openings or tunnels in toolboxes or tool trays for fixing such boxes and trays removably to the top platform of such step ladder; a toolbox with configured openings or tunnels transversely formed through the side and any interior walls thereof for engagement with a T section mounting bar resiliently clipped to the top platform of a self standing or step ladder; a T section bar member that inserts into and positively engages, by spring action, the walls of a T shaped slot or tunnel in the bases of members, boxes and containers desired to be fixed atop a ladder.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: March 31, 1987
    Inventor: James J. Hamilton
  • Patent number: 4651823
    Abstract: A new well bore centralizer construction; a well bore centralizer construction which may be shipped in disassembled condition by the manufacturer, occupying the smallest volume of space, to be later assembled; a field-assembleable casing centralizer consisting of a pair of vertically spaced apart collars and connecting, outwardly bowed leaf springs secured to the collars by a liner construction therewithin, wherein movement of the leaf spring ends in one direction is prevented by engagement therewith of liner tabs which engage openings in the leaf spring ends, movement of the leaf springs being prevented in the other direction by shaping of the collar and the positioning of the liner with respect thereto; improvements in the structure and methods of connection of the ends of leaf springs to centralizer collars in field assembleable centralizers.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: March 24, 1987
    Assignee: Antelope Oil Tool & Mfg. Company
    Inventor: Hugh D. Spikes
  • Patent number: 4638586
    Abstract: Improvements in the lure elements of fishing lures including spinner baits and jig baits; a lure sheathing for the weights commonly employed with fishing lures (including spinner baits and jig baits) which sheathing covers a substantial portion of the leading part of the weight and additionally supplies a circumferential fringe of forwardly, outwardly and rearwardly streaming elements, legs or streamers, such further acting as lure elements; improvements in means for mounting, securing and positioning multiple streamer elements to actively surround, enclose and hide a fish hook in fishing lures of all types including a weight therewith, such as spinner baits and jig baits.
    Type: Grant
    Filed: June 9, 1986
    Date of Patent: January 27, 1987
    Inventor: Joseph P. Hall
  • Patent number: 4632067
    Abstract: A vapor generating and injection device for internal combustion engines; a vapor generating and injection system and device for vehicle engine systems having a turbo air compressor on the air intake line running from the air cleaner to the engine intake manifold; a vapor injection and generation system and device for internal combustion engines where there is available a supplemental pressurized air source such as a vehicle air brake system, a pollution control air pump, an exhaust manifold pressure tap, an air horn supply system, an add-on compressor or the like; vapor generating and injection devices for humidifying (by vapor only) the air supply for combustion to the cylinders of internal combustion engines.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: December 30, 1986
    Inventor: Drexel T. Carlson
  • Patent number: 4624447
    Abstract: A variable and high lift jack powered by a hydraulic cylinder for lifting heavy work objects from close to the ground to high levels away from the ground, initial engagement being optionally low, intermediate and high; an adjustable, variable, low and high lift jack involving three basic adjustments, specifically: (1) a collar/platform on a vertical post, the latter carrying a hydraulic cylinder, (2) a slideable vertical sleeve on the same post vertically adjustable with respect to the top of the piston rod of the hydraulic cylinder by a chain carried between supports of the sleeve over the rod and (3) the variable vertical extendability and retractability of the piston rod of the hydraulic cylinder, the combination of these adjustments giving extraordinary versatility with respect to low to high adjustment of the work engaging beam of the lift device; a lift device of great power and versatility with a range, for example, from 6 to 44 inches in lift while maintaining the greatest safety of operation over the
    Type: Grant
    Filed: January 14, 1986
    Date of Patent: November 25, 1986
    Inventor: Thomas L. Richmeier
  • Patent number: 4622945
    Abstract: Improvements in outdoor cooking grills; an improved, vertically adjustable, food grill slideably mounted on a central vertical stake through a central collar on the grill; improvements in means for raising, lowering and fixing the vertical position of the grill on its mounting stake; a vertically adjustable grill with readily assembled and disassembled parts.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: November 18, 1986
    Inventor: John A. Glitten
  • Patent number: 4610330
    Abstract: Improvements in plastic coated, steel core reinforced manhole steps; particular improvements in the drive-in or hammer-in ends of a U-configuration manhole step construction, which improvements involve providing resilient, barb-like retainer elements in the drive-in ends yet relieving such in particular patterns so as to enable debris and water in the formed holes in the manhole to escape in order to protect the concrete against conveyed impact pressures and further enable more effective sealing and engagement of the manhole step ends with the manhole wall orifices; particular improvements in drive or hammer-in manhole steps of the plastic coated, steel core reinforced type wherein the drive-in ends of the manhole steps are so relieved in the end portions thereof as to obviate and prevent any sealing of the recesses or holes in the manhole proper; improvements in wedge tooth or barb configuration to achieve maximum pullout resistance while retaining pressure and material relief features.
    Type: Grant
    Filed: July 25, 1984
    Date of Patent: September 9, 1986
    Assignee: Clay and Bailey Manufacturing Co., Inc.
    Inventor: Ronald W. Borst
  • Patent number: 4603737
    Abstract: Improvements in protectors operative to carry and protect small diameter tubing, pipe or cables which are attached externally to oil well production tubing to control down hole devices such as safety valves, pressure and temperature sensors, electrical pumps and the like; improvements in such control line protectors which also operate to centralize the tubing string; improvements in such control line protectors useable in protecting both barelines and incapsulated lines; improvements in such line protectors which are installed over the pipe or tubing couplings.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: August 5, 1986
    Inventor: Hugh D. Spikes
  • Patent number: D281828
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: December 24, 1985
    Inventor: Paulette Callaghan
  • Patent number: D298844
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: December 6, 1988
    Inventor: Richard J. Hood