Patents by Inventor David T. Hill

David T. Hill 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: 5279360
    Abstract: An improved evaporator or evaporator/condenser for use in refrigeration or heat pump systems including first and second spaced, pressure resistant headers (10, 12) ; a plurality of elongated tubes (20) of flattened cross-section extending in parallel, spaced relation between and in fluid communication with the headers (10, 12) and serpentine fins (34) extending between and bonded to adjacent ones of the tubes (20). The tubes (20) and fins (34), between the headers (10, 12), define a nonplanar configuration having an apex (80). A condensate trough (82) is aligned with and opens towards the apex (80) to receive condensate dripping therefrom.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: January 18, 1994
    Assignee: Modine Manufacturing Co.
    Inventors: Gregory G. Hughes, Leon A. Guntly, John B. Welker, David T. Hill, Jerome P. Henkes, Michael J. Reinke, C. James Rogers
  • Patent number: 5248689
    Abstract: Angiotensin II receptor antagonists having the formula: ##STR1## which are useful in regulating hypertension and in the treatment of congestive heart failure, renal failure, and glaucoma, pharmaceutical compositions including these antagonists, and methods of using these compounds to produce angiotensin II receptor antagonism in mammals.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: September 28, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Gerald R. Girard, David T. Hill, Joseph Weinstock
  • Patent number: 4915232
    Abstract: The invention disclosed is a picnic mat, multipurpose tote bag and securing means assembly suitable for use by a group of people for picnics and concerts etc. The picnic mat is provided with loops on the underside corners as well as corresponding ground securing devices or pins for holding said mat to the ground. Also provided is a pin manipulating tool to facilitate the insertion in and removal of said pins from the ground without damage to the picnic mat. This invention is also provided with a multipurpose tote bag with an inner pouch for containing said pins and a restraining strap for said manipulating tool.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: April 10, 1990
    Inventors: David T. Hill, Pamela L. Cass, William E. Cass, III
  • Patent number: 4902675
    Abstract: 2-pyridyl and 4-pyridyl phosphine gold compounds of the formula: ##STR1## and 2-pyridyl phosphine gold compounds of the formula: ##STR2## and pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound.
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: February 20, 1990
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4877087
    Abstract: A core for use in a heat exchanger including a tube of heat conductive material and a tape of heat conductive material wrapped around the tube. The tape has a base extending completely about the periphery of the tube in abutment therewith and a plurality of spines extending generally radially from the base in fanned relation over an arc length in the range of about 180.degree.-220.degree.. The tube is essentially free of the spines along a longitudinally extending area having an arc length in the range of approximately 180.degree.-140.degree..
    Type: Grant
    Filed: August 16, 1984
    Date of Patent: October 31, 1989
    Assignee: Sundstrand Heat Transfer, Inc.
    Inventor: David T. Hill
  • Patent number: 4857549
    Abstract: Compounds, pharmaceutical compositions and a method for treating tumors by administering an effective tumor cell growth-inhibiting amount of a .alpha.,.omega.-bis(disubstitutedphosphino)hydrocarbon compound or a [.alpha.,.omega.-bis(disubstitutedphosphino)hydrocarbon] digold(I), digold(III, disiliver(I) or dicopper(I) complex to an animal afflicted by such tumor cells.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: August 15, 1989
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson, Christopher K. Mirabelli
  • Patent number: 4847270
    Abstract: Novel compounds, pharmaceutical compositions and a method of inhibiting the 5-lipoxygenase products in an animal in need thereof which comprises administering an effective, 5-lipoxygenase pathway inhibiting amount of a 2,2'-[1,2-ethanediylbis-(thio)]-bis-1H-imidazole or 2,2'-[1,3-propan-2-onediylbis-(thio)]bis-1H-imidazole, or a pharmaceutically acceptable salt thereof, to such animal.
    Type: Grant
    Filed: November 10, 1987
    Date of Patent: July 11, 1989
    Assignee: SmithKline Beckman Corporation
    Inventors: Paul E. Bender, David T. Hill
  • Patent number: 4769386
    Abstract: The imidazolylthio substituted alkanoic acids represented by the formula (I) or (IA) as defined herein have been found to be leukotriene antagonists and useful in the treatment of diseases in which leukotrienes are a factor, such as asthma.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: September 6, 1988
    Assignee: Smithkline Beckman Corporation
    Inventors: William E. Bondinell, David T. Hill, Barry M. Weichman
  • Patent number: 4766226
    Abstract: Antitumor pharmaceutical compositions and methods for treating tumors employing .alpha.,.omega.-bis(disubstitutedphosphino)hydrocarbon derivatives or [.alpha.,.omega.-bis(disubstituted phosphino)hydrocarbon] digold(I), digold(III), disilver(I), and dicopper(I) derivatives are disclosed.
    Type: Grant
    Filed: April 2, 1985
    Date of Patent: August 23, 1988
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson, Christopher K. Mirabelli
  • Patent number: 4764509
    Abstract: Pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a di-gold phosphine compound which comprises administering a tumor cell growth-inhibiting amount of such a compound to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: August 16, 1988
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4758589
    Abstract: Tetraphosphine-coordinated gold (I) compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method of treating tumor cells sensitive to such a compound which comprises administering a tumor cell growth-inhibiting amount of such a compound to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: February 2, 1987
    Date of Patent: July 19, 1988
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4755611
    Abstract: Heterocyclic phosphine compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises adminstering a tumor cell growth-inhibiting amount of such a compound to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: July 5, 1988
    Assignee: SmithKline Beckman Corporation
    Inventor: David T. Hill
  • Patent number: 4728656
    Abstract: Novel compounds, pharmaceutical compositions and a method of inhibiting the 5-lipoxygenase products in an animal in need thereof which comprises administering an effective, 5-lipoxygenase pathway inhibiting amount of a 2,2'-[1,2-ethanediylbis-(thio)]-bis-1H-imidazole or 2,2'-[(1,3-propan-2-onediylbis-(thio)]bis-1H-imidazole, or a pharmaceutically acceptable salt thereof, to such animal.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: March 1, 1988
    Assignee: SmithKline Beckman Corporation
    Inventors: Paul E. Bender, David T. Hill
  • Patent number: 4716230
    Abstract: Heterocyclic phosphine compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises administering a tumor cell growth-inhibiting amount of such a compound to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: March 25, 1986
    Date of Patent: December 29, 1987
    Assignee: Smithkline Beckman Corporation
    Inventor: David T. Hill
  • Patent number: 4698422
    Abstract: Triphos and tetraphos gold compounds which have tumor cell growth-inhibiting activity, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound or its corresponding triphos or tetraphos ligand, and a method for treating tumor cells sensitive to such a compound or its corresponding triphos or tetraphos ligand.
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: October 6, 1987
    Assignee: SmithKline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4675427
    Abstract: Tetraphosphine-coordinated gold(I) compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises administering a tumor cell growth-inhibiting amount of such a compound to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: June 23, 1987
    Assignee: Smith Kline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4645756
    Abstract: This invention relates to [.alpha.,.omega.-bis(diphenylphosphino)hydrocarbon]bis[(thiosugar)gold] and bis[(selenosugar)gold] derivatives, pharmaceutical compositions comprising an effective tumor cell growth-inhibiting amount of such a derivative, and a method of treating tumor cells sensitive to such a derivative which comprises administering a tumor cell growth-inhibiting amount of such a derivative to an animal afflicted by said tumor cells.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: February 24, 1987
    Assignee: Smith Kline Beckman Corporation
    Inventors: David T. Hill, Randall K. Johnson
  • Patent number: 4350698
    Abstract: Imidosulfamide derivatives useful in the treatment of allergic conditions are prepared by reaction of an appropriately substituted tetrahydroisoquinoline and chlorosulfonylisocyanate in the presence of a non-nucleophilic organic base. Pharmaceutical compositions and methods of inhibiting the symptoms of an allergic response are also disclosed.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: September 21, 1982
    Assignee: SmithKline Corporation
    Inventors: John G. Gleason, David T. Hill
  • Patent number: 4200738
    Abstract: A new synthesis of auranofin comprising reacting 2,3,4,6-tetra-O-acetyl-.alpha.-D-glucopyranosyl bromide with a S-(triethylphosphineaurous)thiouronium salt.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: April 29, 1980
    Assignee: SmithKline Corporation
    Inventors: David T. Hill, Blaine M. Sutton, Ivan Lantos
  • Patent number: 4188397
    Abstract: New 2,2'-alkyldiylbis(thio)bis(imidazoles) having substituted phenyl groups in the 4- and 5- positions of the imidazole rings are disclosed. These compounds regulate cell-mediated immunity and/or have anti-arthritic activity and are useful to relieve inflammation, for example in the treatment of rheumatoid arthritis.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: February 12, 1980
    Assignee: SmithKline Corporation
    Inventor: David T. Hill