Patents by Inventor R. Patterson

R. Patterson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5061236
    Abstract: A blood reservoir device comprising a generally flexible blood collection chamber having an inlet portion and a main portion. The inlet portion is preferably sized and configured such that blood entering the inlet portion will avoid turbulence and will undergo generally laminar flow through the inlet portion, into the main portion of the chamber. A vent tube is provided for venting coalesced or collected gas bubbles from the top edge of the chamber. Additionally, one or more filter elements may be positioned within the chamber to further facilitate removal of air bubbles from blood passing through the chamber.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: October 29, 1991
    Assignee: Baxter International Inc.
    Inventors: Karl M. Sutherland, William R. Patterson
  • Patent number: 5019786
    Abstract: A phase measurement system which measures the phase shift between two signals by dithering a clock signal and averaging a plurality of measurements of the phase differences between the two signals.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: May 28, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Christopher R. Fairley, Steven R. Patterson
  • Patent number: 4866111
    Abstract: A coating composition comprising nitrocellulose; a copolymer of ethylene and an ethylenically unsaturated ester of a saturated fatty acid, said copolymer comprising between about 40% and about 90% by weight of said ester, said copolymer characterized by a kinematic viscosity at 140.degree. C. of up to about 30,000 centipoise, said copolymer present in an amount of more than about 25% to about 60% by weight, based on the total weight of said nitrocellulose and said copolymer; and an organic solvent system for said nitrocellulose and said copolymer is disclosed.
    Type: Grant
    Filed: November 5, 1987
    Date of Patent: September 12, 1989
    Assignee: National Distillers and Chemical Corporation
    Inventors: Joseph R. Patterson, Jr., Lorrin W. Pyle
  • Patent number: 4852990
    Abstract: A process for bleaching fabrics or garments which produces a uniformly colored product with relatively few, less pronounced streaks is disclosed. The process requires fewer steps and increases efficiency over previous processes, while at the same time decreases the number of excessively streaked products which do not satisfy quality control standards. A preferred embodiment of the process, suited to denim fabrics or garments, comprises the steps of desizing the fabric or garment, and thereafter, without turning garments, immersing the fabric or garment in an aqueous solution containing from about 0.01 to about 10 grams per liter of a polyacrylic acid, and then adding a bleaching agent to the aqueous solution to produce a bleach bath. The fabric or garment is maintained in the bleach bath for a time sufficient to bleach the fabric or garment.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: August 1, 1989
    Assignee: The Virkler Company
    Inventor: James R. Patterson
  • Patent number: 4802057
    Abstract: An improved rodent control device for generating a pulsating and interrupted magnetic field offensive to rodents in buildings includes a housing, an electrical circuit for generating the pulsating magnetic field and an electrical supply member for electrically connecting the electrical circuit with an AC power source. The electrical circuit includes a low voltage circuit for generating a pulsed and interrupted frequency gating signal, a signal amplifying device, and a high voltage circuit that produces a pulsed and interrupted high voltage output signal in response to the gating signal of the low voltage circuit and includes a magnetic field generator for receiving the output signal from the high voltage circuit and generating a pulsating and interrupted magnetic field in response to the output signal.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: January 31, 1989
    Inventors: Charles R. Patterson, Gary E. Lutz
  • Patent number: 4732603
    Abstract: The invention relates to 1-aryl-1,4-dihydro-4-oxo-5-carboxypyridazine derivatives which are not only useful as plant growth regulators and hybridizing agents for cereal crops but possess the additional utility of having an improved margin of safety as concerns plant injury and seed quality.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: March 22, 1988
    Assignee: Rohm and Haas Company
    Inventor: Dennis R. Patterson
  • Patent number: 4724307
    Abstract: A reader for cards having handwritten marks positioned to encode data, is provided with an image recorder for capturing an instantaneous image of the possible mark-bearing area of the card, including the handwritten marks and identification marks printed on the card. A data processor digitizes the data to a matrix of pixels representing grey levels at spaced points in the image. Digital means are provided to locate the identifcation marks and define the expected mark areas of the image field while accounting for positioning error such as skew, and to map the image field into potential mark-bearing areas. A comparator then compares the grey levels at successive pixels or groups of pixels in the mark areas with immediate adjacent pixels or groups, thereby detecting marks by finding contrasting edges. The identification marks printed on the card can be variable in type or position to provide for separate game cards. The reader is adaptable to be reprogrammed for additional games and functions.
    Type: Grant
    Filed: April 29, 1986
    Date of Patent: February 9, 1988
    Assignee: GTECH Corporation
    Inventors: Clifton C. Dutton, William R. Patterson
  • Patent number: 4709416
    Abstract: A fiber-optic communication system for data bursts includes a plurality of nodes, each including a laser diode transmitter. In order to reduce the noise floor of the system, each laser diode receives bias current only when it is transmitting data. Due to the propagation delay between nodes, there is a dead time between data bursts received by each node during which no data signals are received. The bias current of the laser diode is adjusted following each data transmission, so that the light attributable to laser operation during the setting of bias is received during the dead time. The adjustment is accomplished by stepping an up-down counter by one clock pulse following transmission of each data burst.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: November 24, 1987
    Assignee: RCA Corporation
    Inventor: David R. Patterson
  • Patent number: 4707181
    Abstract: This invention relates to 1-aryl-1,4-dihydro-4-oxo-3,5-dicarboxypyridazine derivatives which are not only useful as plant growth regulators and hybridizing agents for cereal grain crops but possess the additional utility of having an improved margin of safety as concerns plant injury and seed quality.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: November 17, 1987
    Assignee: Rohm and Haas Company
    Inventor: Dennis R. Patterson
  • Patent number: 4693742
    Abstract: Compounds having the formula ##STR1## wherein R.sup.1 is a acyl,R.sup.2 is hydrogen, lower alkyl, ar(lower)alkyl or acyl, andA is lower alkylene, lower alkenylene or hydroxy(lower)alkylene, or an agronomically-acceptable salt or ester thereof, are herbicidally active.
    Type: Grant
    Filed: December 20, 1983
    Date of Patent: September 15, 1987
    Assignee: Rohm and Hass Company
    Inventor: Dennis R. Patterson
  • Patent number: 4686902
    Abstract: The present invention provides an automatic blanket wash system that recirculates a separable mix of water and solvent. The mix is selectively applied to the blanket cylinders by closing a pressure valve in the recirculation system return line and selectively opening valves to spray bars at the blankets. The pressure valve closing causes a pressure build up in the system for the spraying of the mix onto the blankets.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: August 18, 1987
    Assignee: Precision Engineered Systems Inc.
    Inventors: Raymond J. Allain, Henry P. Bolduc, Jr., Thomas R. Patterson, Timothy J. Ingram
  • Patent number: 4594133
    Abstract: This process relates to the halodecarboxylation of 3'-carboxydiphenylethers utilizing mercuric oxide, molecular halogen, and light in an inert atmosphere at moderate temperatures and at atmospheric pressure to afford 3'-halodiphenylethers.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: June 10, 1986
    Assignee: Rohm and Haas Company
    Inventor: Dennis R. Patterson
  • Patent number: 4584014
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl, cycloalkyl, phenylalkyl, alkoxyalkyl, alkoxyaryl, aryl or an agronomically acceptable cation; R.sup.2 and R.sup.3 are each independently hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted phenylalkyl, carboxy, alkoxycarbonyl or phenyl group; X is hydrogen, fluoro, bromo, chloro or iodo atom; Y is a hydrogen, fluoro, bromo, chloro, iodo, alkyl, cycloalkyl, carboxy, alkoxycarbonyl, phenylalkyl, alkenyl and alkynyl group, wherein the alkyl, cycloalkyl, phenylalkyl and phenyl group may have up to three optional substituents; and B is hydrogen, carboxy, alkoxycarbonyl, methylene (--CH.sub.2 R.sup.4) or CZZ.sup.1 Z.sup.2 group wherein R.sup.4 is an alkyl or alkenyl group and Z, Z.sup.1 and Z.sup.2 are each independently a hydrogen, fluoro, bromo, chloro or iodo atom, provided that Z, Z.sup.1, Z.sup.2, X and Y are not all hydrogens.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: April 22, 1986
    Assignee: Rohm and Haas Company
    Inventor: Dennis R. Patterson
  • Patent number: 4554789
    Abstract: An improved seal cooling apparatus is provided for use in a gas turbine engine. In a particular embodiment, this apparatus includes means for deriving conditioning air from air discharged from the compressor diffuser and directing this air onto the seal stator to improve its thermal response. The apparatus also includes means to inject a portion of the conditioning air into a cavity forward of the seal to purge the region and prevent zero airflow conditions during engine operation for the purpose of discouraging overheating of a portion of the compressor rotor. A portion of the conditioning air from the cavity is subsequently directed to flow through and thereby cool the seal.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: November 26, 1985
    Assignee: General Electric Company
    Inventors: Phillip D. Napoli, William R. Patterson
  • Patent number: 4508375
    Abstract: The present invention relates to tubular connections for application to heavy wall, high performance casing in high pressure, critical service oil and gas wells. A threaded and coupled tubular connection is provided which comprises a male member and a female member having engageable threads disposed on respective first and second substantially matching tapers of about 1.750 inches per foot on the diameter. This taper provides increased female member wall thickness at the narrow end of the female taper; increases the perfect thread length; provides deeper stabbing of the male member into the female member; reduces leakage path clearances; and reduces the male member-in-female member position tolerance. The taper tolerances of the male and female thread tapers are staggered to provide a lower taper on the male member and a higher taper on the female member which results in an advantageous taper mismatch insuring sealing and interference within the made-up connection adjacent the narrow end of the male member.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: April 2, 1985
    Assignee: Lone Star Steel Company
    Inventors: Billy R. Patterson, Warren P. Schneider
  • Patent number: 4495237
    Abstract: A pyramidal core structure is provided and consists of two panels. Each panel is comprised of a series of beveled, truncated hollow pyramids embossed thereon. One of the panels can be inverted and mated with the other panel in an appropriate manner to form a core structure. The core structure so formed is normally bonded to two sheets for added strength and utility.
    Type: Grant
    Filed: June 10, 1983
    Date of Patent: January 22, 1985
    Inventor: Fred R. Patterson
  • Patent number: 4468151
    Abstract: An assembly for damping sea waves that constitutes a floating breakwater for protecting a sea wall. A plurality of vertical pilings extend into the sea bed and are spaced apart from each other and extend parallel to the sea wall. Automobile tires are positioned about the pilings and are supported by a platform made of struts on opposite sides of the pilings that extend parallel to the sea wall, with transverse stringers maintaining the struts in parallel and spaced relationship and also free to move vertically with respect to the pilings. The combined buoyancy of the tires and platform is such that the top surfaces of the tires are positioned substantially at the surface of the sea. A support beam structure is attached to the pilings generally along the tops thereof and interconnects the pilings, together with rigid tieback members that connect the pilings to the sea wall, all to aid in maintaining the pilings in vertical and spaced-apart relationship.
    Type: Grant
    Filed: April 14, 1982
    Date of Patent: August 28, 1984
    Inventor: R. Patterson Warlick
  • Patent number: 4443829
    Abstract: In a capacitor of the wound metallized dielectric type, a section of resistive material is provided on a film forming the metallized dielectric, and this resistive material extends across the film's entire width (the axial dimension of the capacitor). A metal contact for one of the capacitor plates is sprayed on either end of the capacitor so as to touch one end of the section of resistive material, thereby creating a resistive shunt across the plates formed on the metallized film. The section of resistive material is preferably carbon-loaded paper which is secured over an unmetallized area to the film used to make the capacitor. The paper projects beyond either lateral edge of the film so that spraying metal on the ends of the capacitor causes the ends of the paper to be connected to respective capacitor plates.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: April 17, 1984
    Assignee: Universal Manufacturing Corp.
    Inventors: Robert J. Delvy, Harry L. Pentecost, Leroy R. Patterson
  • Patent number: D265242
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: June 29, 1982
    Inventor: Donald R. Patterson
  • Patent number: D292828
    Type: Grant
    Filed: January 7, 1985
    Date of Patent: November 17, 1987
    Assignee: Ponderosa, Inc.
    Inventors: Jerry A. Fisher, Ronald J. Leach, Hugh R. Patterson, Gary J. Yoko