Patents Represented by Law Firm Fields, Lewis, Pittenger & Rost
  • Patent number: 4982860
    Abstract: An extrusion is provided which includes an upper double sidewall and a lower bulbous portion forming an integral pallet structure. This extrusion can be cut to suitable lengths and welded at the corners to form a sealed rectangular container bottom. A bottom panel is welded around its peripheral edge to the extrusion lengths. Reinforcing I-beams can be placed across the bottom and laterally spaced openings can be cut in the ends and sides of the bottom portions for receiving fork-lift tines. These cut-out portions can be reinforced by tubes or channel members, as required. This structure minimizes the critical welding required to make a sealed container bottom, since only the corner welds and the bottom panel welds are located where air leakage can occur.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: January 8, 1991
    Assignee: Stanley Aviation Corporation
    Inventors: John C. Dinsmoor, Barry Van Everen
  • Patent number: 4981060
    Abstract: A roll forming apparatus disclosed has a series of roll forming stations with a first group of stations having rollers that are adjustable to different width settings using the same rollers to form more than one width of ogee type gutter. A cutter uses interchangeable cutting blades and die plates for shearing different gutter sizes to selected lengths. The cutter uses a rotary drive member to move the blade in a path having a relatively short stroke that performs a scissor-like cutting action to successively cut the walls of the formed gutters for each revolution of the rotary drive member. A crank member for manually moving the cutter blade is collapsible and the crank handle is demountable for transport purposes.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: January 1, 1991
    Inventor: Gary A. Knudson
  • Patent number: 4974455
    Abstract: A dilution extractive probe assembly for sampling a gas stream in a stack is provided. It includes a hollow tubular dilution probe having a first end for receiving a sample of the gas stream from the stack to be analyzed and a second end through which the sample is discharged after dilution. A first filter is provided at the first end of the probe for filtering the sample gas it passes into the probe. A critical orifice is located within the probe downstream of the first filter. A first heater is provided for heating the first filter to maintain the sample at a temperature above the dew point of the sample gas. A partial vacuum is created for drawing the sample through the filter and into the probe. An eductor is located adjacent the second end of the probe for mixing the sample with a dilution gas. A second heater for heating the eductor to maintain the sample gas at a temperature above its dew point as it passes through the eductor is provided.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: December 4, 1990
    Assignee: Lear Siegler Measurement Controls Corporation
    Inventors: Gerald F. McGowan, Ronald L. Ketchum
  • Patent number: 4974700
    Abstract: An apparatus has been provided for vertically lifting or lowering a workman and/or materials at a construction site. This includes a rectangular platform having four corners for supporting the workman and/or material so that they can be vertically moved within an elevator shaft or the like. The platform has side edges positioned adjacent the side walls of the shaft. The platform can be raised or lowered by a crane. Recesses are provided in opposite side walls for receiving latches attached to the corners of the platform. The latches are locked in place when they are positioned within the recesses and can be retracted when the platform is to be raised and lowered. Also, leveling devices are provided at the corners of the platform for leveling the panels and devices are also provided for holding the panels in proper location prior to pouring the concrete.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: December 4, 1990
    Assignee: Gates & Sons, Inc.
    Inventor: H. Gordon Gates
  • Patent number: 4972625
    Abstract: A tackle holder for fishing tackle such as fishing lures or the like. The tackle holder includes a base portion and a tackle storage structure comprised of a plurality of tackle storage cells for individually retaining and storing the fishing lures. The tackle storage cells are formed by a plurality of corrugated partitions movably mounted to the base portion and aligned in opposite mirror image pairs. The fishing lures are suspended by their hooks on the partitions with each lure contained within an individual storage cell. Hook retaining means and a cover may be provided for closing the storage cells and for retaining the lures within the cells. An alternative embodiment is an open framework supporting the partitions. This is inserted into a compartment of a larger fishing tackle box.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: November 27, 1990
    Inventor: Robert R. Barnes
  • Patent number: 4962565
    Abstract: In accordance with the present invention, an apparatus is provided wherein cleaner is applied to all or a portion of the lane and the cleaner, oil and other residue is picked up by a vacuum head trailing the cleaner applicator in one trip from the foul line to the pit leaving the lane clean and dry. The cleaner can be applied either by means of an applicator pad or by a sprayer. If desired, the cleaning operation can be limited to the last forty-five feet or so, since it is generally desirable to clean this portion of the lane more often than the front portion. On the return or reverse movement of the stripper, no cleaning operations are undertaken but cleaner may be permitted to flow from the cleaner storage tank to the applicator so that the applicator will have sufficient cleaner in it for the beginning of application on the next lane. A mechanism is provided for bowing the vacuum head so that the center is lower than the side edges so that it conforms generally to the concave shape of a bowling alley.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: October 16, 1990
    Assignee: Century International Corporation
    Inventors: Donald E. Ingermann, Ronald L. Smith, Stephen F. Caffrey, Lonney J. Steinhoff
  • Patent number: 4961739
    Abstract: A waveform generator for electrosurgical apparatus disclosed includes a MxNxP storage device and a parallel to series conversion device. For the storage device, M is the maximum number of different waveforms being stored, N equals the number of bits being output from the storage device at a time and P is the maximum number of N bits that can be stored for each waveform. An address counter selects the next N bits of the waveform and these N bits loaded from the storage device into the conversion device and output in a sequential or series output signal to drive the RF power amplifier of electrosurgical apparatus. The output signal has a bit rate N times faster than the storage device is accessed.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: October 9, 1990
    Assignee: Aspen Labatories, Inc.
    Inventor: Richard K. Thompson
  • Patent number: 4959884
    Abstract: In accordance with the present invention, a combination apparatus is provided wherein cleaner is applied to all or a portion of the lane and the cleaner, dressing and other residue is picked up by a vacuum head trailing the cleaner applicator followed by a buffer roller to apply new dressing to the lane. If desired, the cleaning operation can be limited to the last forty-five feet or so, since it is generally desirable to clean this portion of the lane more often than the front portion. On the return or reverse movement of the stripper, no cleaning operations are undertaken but cleaner may be permitted to flow from the cleaner storage tank to the applicator so that the applicator will have sufficient cleaner in it for the beginning of application on the next lane. In an alternative embodiment, the applicator may be in the form of a spray nozzle to spray cleaner onto the lane.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: October 2, 1990
    Assignee: Century International Corporation
    Inventors: Donald E. Ingermann, Ronald L. Smith, Stephen F. Caffrey, Lonney J. Steinhoff
  • Patent number: 4950039
    Abstract: A multiple-shelf storage container disclosed has a pair of opposed shelf-supporting, lightweight inner side panels with each made of a thin, molded plastic, one-piece body and a plurality of lightweight shelves made of a material similar to the side panels and supported by shelf-supporting wall portions of the side panels to slide between retracted and extended positions. The inner side panels are preferably mounted to the inside of side walls of a box-like outer shell. Each shelf has a recessed portion in the shape of the article being supported to enable a stack of the articles to be supported thereon. The shelves move to an extended position for displaying and access to the supported articles such as thin film balloons.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: August 21, 1990
    Inventors: Robert W. Helling, Daniel J. Helling
  • Patent number: 4950357
    Abstract: A method and apparatus for making fiber optic light transfer devices has apparatus to continuously supply a selected number of optical fibers, apparatus to form those fibers into a ribbon and adjust to different wrapping radii of a wrapper. The wrapper is in the form of a rotary wheel on which there is mounted a matrix former and a spaced ribbon former. The end of the ribbon is clamped to the rotary wheel and as the wheel is rotated successive wraps of ribbon are made on aligned U-shaped support surfaces of the formers. A separator is positioned between each ribbon layer in the matrix former and a channel-shaped locator element is positioned on the spaced ribbon former before each ribbon layer is wrapped thereon. A reflective glue is added to the layers in both formers. A clamp clamps the wrapped layers in each former after which they are cured in an oven.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: August 21, 1990
    Assignee: Advance Display Technologies, Inc.
    Inventor: Steven R. Sedlmayr
  • Patent number: 4935969
    Abstract: A method and device for the sanitary disposal of human waste are disclosed. The method includes completely covering the seat and toilet bowl interior of a toilet with a toilet flushable, human waste disposal means to contain viruses and bacteria in the toilet bowl and prevent a toilet occupant from contacting the toilet seat and bowl interior. The method further includes discharging waste into the disposal means, covering the disposal means and flushing both the disposal means and waste matter with minimum bathroom contamination. The disposal means includes a toilet seat cover means having a central cutout portion and a waste collecting means which depends therefrom. Thus, an imperforate barrier isolates the toilet bowl interior when the device is installed on a toilet prevents a toilet occupant from contacting the toilet seat and bowl interior.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: June 26, 1990
    Inventor: Orin J. Farnsworth
  • Patent number: 4936476
    Abstract: An extrusion is provided which includes an upper double sidewall and a lower bulbous portion forming an integral pallet structure. This extrusion can be cut to suitable lengths and welded at the corners to form a sealed rectangular container bottom. A bottom panel is welded around its peripheral edge to the extrusion lengths. Reinforcing I-beams can be placed across the bottom and laterally spaced openings can be cut in the ends and sides of the bottom portions for receiving fork-lift tines. These cut-out portions can be reinforced by tubes or channel members, as required. This structure minimizes the critical welding required to make a sealed container bottom, since only the corner welds and the bottom panel welds are located where air leakage can occur.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: June 26, 1990
    Assignee: Stanley Aviation Corporation
    Inventors: John C. Dinsmoor, Barry V. Everen
  • Patent number: 4932340
    Abstract: Soil-treating materials are placed in the soil in a desired relation to the seed by placement apparatus that preferably follows the seed-depositing mechanism on a planter and deposits the material a selected distance to one side and below the deposited seed. The apparatus includes a disc assembly including a generally vertical disc and an upright mounting shaft together with a feed tube affixed to the mounting shaft. A mounting bracket that mounts to the planter frame slidably receives the mounting shaft and provide for vertical and angular adjustment of the disc assembly and its ready removal from or attachment to the planter.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: June 12, 1990
    Inventor: John E. Benzel
  • Patent number: 4928202
    Abstract: A bonding jumper is mounted on one facing surface of first and second coupling means which are threadably interconnected. The bonding jumper has a plurality of resilient detent members for bearing against the facing surface of the other coupling means to establish a redundant electrical bond between the first and second coupling means when the facing surfaces are axially drawn toward each other. A plurality of recesses is provided in the second surface for coating with the detent means to yieldably resist opposing relative rotation in the unthreading direction.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: May 22, 1990
    Assignee: Stanley Aviation Corporation
    Inventors: Edwin J. Gale, Albert B. Olsen, John C. Dinsmoor
  • Patent number: 4920604
    Abstract: In accordance with the present invention, an apparatus is provided wherein cleaner is applied to all or a portion of the lane and the cleaner, oil and other residue is picked up by a vacuum head trailing the cleaner applicator in one trip from the foul line to the pit leaving the lane clean and dry. If desired, the cleaning operation can be limited to the last forty-five feet or so, since it is generally desirable to clean this portion of the lane more often than the front portion. On the return or reverse movement of the stripper, no cleaning operations are undertaken but cleaner may be permitted to flow from the cleaner storage tank to the applicator so that the applicator will have sufficient cleaner in it for the beginning of application on the next lane. Means is provided for bowing the vacuum head so that the center is lower than the side edges so that it conforms generally to the concave shape of a bowling alley.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: May 1, 1990
    Assignee: Century International Corporation
    Inventors: Donald E. Ingermann, Ronald L. Smith, Stephen F. Caffrey, Lonney J. Steinhoff
  • Patent number: D308122
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: May 22, 1990
    Assignee: Bounce, Inc.
    Inventors: Joseph P. Markham, Peter Emily
  • Patent number: D310304
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: September 4, 1990
    Inventor: William H. Carmichael
  • Patent number: D311496
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: October 23, 1990
    Inventor: Cyrous Khavari
  • Patent number: D311932
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: November 6, 1990
    Inventor: Allen J. Fox
  • Patent number: D312201
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: November 20, 1990
    Assignee: Gates & Sons, Inc.
    Inventor: H. Gordon Gates