Patents Assigned to Cooper, Inc.
  • Apparatus for removing floor covering
    Patent number: 5082330
    Abstract: An apparatus for removing floor covering which has a frame supported by wheels. Some of the wheels are used to drive the frame and these wheels are powered by a structurally independent power source. A blade secured in front of th eframe may be used to push up floor covering.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: January 21, 1992
    Assignee: Cooper, Inc.
    Inventor: Tommie Holder
  • Sulfurized olefin process
    Patent number: 4563302
    Abstract: A sulfurized olefin of improved solubility in lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutylene) to form an adduct which is reacted with sodium sulfide, sodium hydrosulfide, sulfur and alkyl mercaptan (e.g. tert-butyl mercaptan) in an aqueous alcohol reaction medium.
    Type: Grant
    Filed: December 1, 1983
    Date of Patent: January 7, 1986
    Assignee: Edwin Cooper, Inc.
    Inventors: Paul G. Griffin, William Y. Lam
  • Lubricating oil composition containing N-allyl amide graft copolymers
    Patent number: 4519929
    Abstract: Lubricating oil dispersancy is improved by adding to the oil a product made by grafting an N-allyl amide (e.g. N,N-diallyl formamide) to an olefin polymer having a molecular weight of about 500-500,000 (e.g. ethylene/propylene/diene copolymer).
    Type: Grant
    Filed: February 19, 1982
    Date of Patent: May 28, 1985
    Assignee: Edwin Cooper, Inc.
    Inventors: Joseph P. O'Brien, Andrew G. Papay
  • Lubricating oil compositions containing graft copolymer as viscosity index improver-dispersant
    Patent number: 4505834
    Abstract: Lubricating oil dispersant VI improvers are made by grafting maleic anhydride to an ethylene/.alpha.-olefin-non-conjugated diene terpolymer in a hydrogen-treated mineral oil solvent using a free radical and then reacting the grafted intermediate with an amine containing only one primary amine group, 1-6 amino nitrogen atoms and 20-36 carbon atoms.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: March 19, 1985
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Metal deactivator as a lubricant additive
    Patent number: 4487706
    Abstract: A metal deactivator especially useful in lubricating oil is made by reacting 2,5-dimercapto-1,3,4-thiadiazole, an olefin and sulfur dichloride in the mole ratio of about 1:0.9-2.5 0.9-2.5.
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: December 11, 1984
    Assignee: Edwin Cooper, Inc.
    Inventor: William Y. Lam
  • Hydraulic fluids
    Patent number: 4486324
    Abstract: An aqueous hydraulic fluid comprising at least 80 percent water and containing a hydrocarbyl-substituted succinic acid, a zinc dihydrocarbyl dithiophosphate, a hydroxyalkylamine, sodium alkylbenzene sulfonate, and optionally, a polyalkylene glycol mono-fatty acid ester.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: December 4, 1984
    Assignee: Edwin Cooper, Inc.
    Inventor: Philip S. Korosec
  • Polyalkylene succinimide lubricant additives
    Patent number: 4448974
    Abstract: A lubricating oil dispersant made by reacting an aldehyde (e.g. isobutyraldehyde) with an amine (e.g. tetraethylenepentamine) under conditions to form a Schiff base which is then reacted with a hydrocarbon-substituted succinic acid, anhydride or lower alkyl ester.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: May 15, 1984
    Assignee: Edwin Cooper, Inc.
    Inventors: Joseph P. O'Brien, Andrew G. Papay
  • Lubricating compositions containing boronated nitrogen-containing dispersants
    Patent number: 4426305
    Abstract: Lubricating oil dispersancy is synergistically improved by use of a combination of (a) a boronated hydrocarbon-substituted succinic amide/imide/ester of an oxyalkylated amine and (b) a Mannich condensation product of a hydrocarbon-substituted phenol, formaldehyde, and amine, and optionally, a fatty acid and or a boronating agent.
    Type: Grant
    Filed: June 1, 1983
    Date of Patent: January 17, 1984
    Assignee: Edwin Cooper, Inc.
    Inventor: Robert E. Malec
  • Dispersant and lubricating oil containing the dispersant
    Patent number: 4374033
    Abstract: Lubricating oil properties are improved by the addition of the reaction product of an aliphatic hydrocarbon substituted succinic anhydride, an amino pyrrolidone and a boronating agent.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: February 15, 1983
    Assignee: Edwin Cooper, Inc.
    Inventor: Robert E. Malec
  • Alkylphosphonate lubricating oil
    Patent number: 4356097
    Abstract: Engine crankcase lubricating oil containing a dihydrocarbyl hydrocarbylphosphonate (e.g. diethyl octadecylphosphonate) exhibits reduced friction which results in an increase in gasoline mileage thus conserving energy.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: October 26, 1982
    Assignee: Edwin Cooper, Inc.
    Inventor: Andrew G. Papay
  • Lubricating compositions containing boronated N-alkanol hydrocarbylamide
    Patent number: 4331545
    Abstract: Friction of internal combustion engines is reduced by adding to the lubricating oil or fuel used in such engine a minor amount of a friction-reducing additive. The additive is the reaction product of a N-alkanol hydrocarbylamide such as N-ethanol oleamide with a boron compound such as boric acid.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: May 25, 1982
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Fuel and lubricating compositions containing N-hydroxymethyl succinimides
    Patent number: 4325827
    Abstract: Engine fuel economy is improved by adding a friction-reducing amount of a N-hydroxymethyl aliphatic hydrocarbyl succinimide to the engine crankcase oil or fuel.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: April 20, 1982
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Lubricating oil and fuel composition
    Patent number: 4246125
    Abstract: Friction of internal combustion engines is reduced by adding a minor amount of a friction-reducing additive to the lubricating oil or fuel used in such engines. The additive is an aliphatic hydrocarbyl sulfinyl or sulfonyl methane. Performance is enhanced by including a di-lower alkyl C.sub.12-36 aliphatic hydrocarbyl phosphonate.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: January 20, 1981
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Lubricating and fuel compositions containing succinimide friction reducers
    Patent number: 4237020
    Abstract: Engine fuel economy is improved by including in the crankcase oil a friction-reducing amount of an N-aliphatic hydrocarbyl hydroxyalkylsulfinylsuccinimide or N-aliphatic hydrocarbyl hydroxyalkylsulfonylsuccinimide. The additives can also be added to the engine fuel.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: December 2, 1980
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Lubricating oil composition
    Patent number: 4228020
    Abstract: Friction of internal combustion engines is reduced by using a crankcase motor oil containing the combination of graphite and a di-lower alkyl hydrocarbyl phosphonate, e.g. dimethyloctadecylphosphonate.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: October 14, 1980
    Assignee: Edwin Cooper, Inc.
    Inventor: Andrew G. Papay
  • Lubricating oil and fuel compositions
    Patent number: 4225449
    Abstract: Engine friction of internal combustion engines is reduced by adding to the lubricating oil or fuel used in such engine a small friction-reducing amount of an aliphatic hydrocarbylsulfonylalkanol or aliphatic hydrocarbylsulfinylalkanol resulting in improved fuel economy.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: September 30, 1980
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Loom cloth tension control
    Patent number: 4216804
    Abstract: A tension control mechanism for cloth delivered from the loom and the like to a cloth roll carried by take-up mechanism positioned in front of the loom is illustrated wherein a sensing device engages the cloth coming from the loom under relatively light tension for driving motor control means responsive to movement of the sensor imparted thereto by variation in cloth tension.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: August 12, 1980
    Assignee: Alexander-Cooper, Inc.
    Inventors: William J. Alexander, III, John S. Cooper
  • Lubricant composition containing sulfurized olefin extreme pressure additive
    Patent number: 4204969
    Abstract: An additive for improving extreme pressure properties of lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutene) in the presence of a promoter amount of a lower alkanol (e.g. methanol) to form an adduct, reacting the adduct with sulfur and sodium sulfide in an aqueous alkanol made at a ratio of 0.1-0.4 gram atom of sulfur per gram mole of sodium sulfide and then recovering the reaction product.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: May 27, 1980
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Joseph P. O'Brien
  • Loom take-up cloth roll doffer
    Patent number: 4203563
    Abstract: A doffing mechanism is illustrated wherein a cloth roll engagable means is normally carried in aligned laterally spaced relation to the cloth roll with driving means which are actuated by manually raising the cloth roll engaging means to be driven by the take-up mechanism in a reverse direction to forcefully move the cloth roll engaging means for doffing the full cloth roll into a cart positioned beside the take-up rolls for receiving and carrying away the cloth roll.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: May 20, 1980
    Assignee: Alexander-Cooper, Inc.
    Inventors: William J. Alexander, III, John S. Cooper, Charles E. Moore
  • Lubricating oil composition
    Patent number: 4178258
    Abstract: Lubricating oil adapted for use in spark ignited and diesel engines containing an antiwear amount of a molybdenum bis(dialkyldithiocarbamate).
    Type: Grant
    Filed: May 18, 1978
    Date of Patent: December 11, 1979
    Assignee: Edwin Cooper, Inc.
    Inventors: Andrew G. Papay, Edward F. Zaweski