David I. McDonald

Person

  • Cincinnati, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Collet

    • Patent number D349758
    • Issue date Aug 16, 1994
    • Cincinnati Milacron Inc.
    • Raymond L. Hallbach
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Article gripper having opposed jaws cammed open by an article

    • Patent number 5,102,177
    • Issue date Apr 7, 1992
    • Cincinnati Milacron Inc.
    • Robert C. Dreisig
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Article gripper

    • Patent number 4,858,980
    • Issue date Aug 22, 1989
    • Cincinnati Milacron Inc.
    • Robert C. Dreisig
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Conveyor

    • Patent number 4,635,788
    • Issue date Jan 13, 1987
    • Cincinnati Milacron Inc.
    • David I. McDonald
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Impingement oven and method

    • Patent number 4,520,575
    • Issue date Jun 4, 1985
    • Cincinnati Milacron Inc.
    • Donald P. Holmes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of aligning and coating

    • Patent number 4,183,979
    • Issue date Jan 15, 1980
    • Cincinnati Milacron Inc.
    • Arnold L. Kellermann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Conveyor for processing

    • Patent number 4,164,391
    • Issue date Aug 14, 1979
    • Cincinnati Milacron Inc.
    • Walter D. Howard
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Machine for forging and thermoforming hollow thermoplastic biaxiall...

    • Patent number 4,133,625
    • Issue date Jan 9, 1979
    • Cincinnati Milacron Inc.
    • Arnold L. Kellermann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Conveyor combined with coupling for handling workpiece

    • Patent number 4,116,325
    • Issue date Sep 26, 1978
    • Cincinnati Milacron Inc.
    • David Ian McDonald
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Article handling and coating apparatus

    • Patent number 4,104,984
    • Issue date Aug 8, 1978
    • Cincinnati Milacron Inc.
    • Arnold L. Kellermann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mechanism to transfer workpieces between locations

    • Patent number 4,096,953
    • Issue date Jun 27, 1978
    • Cincinnati Milacron Inc.
    • Arnold LeRoy Kellermann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Conveyor combined with coupling for handling workpiece

    • Patent number 4,086,999
    • Issue date May 2, 1978
    • Cincinnati Milacron Inc.
    • David Ian McDonald
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Manual preform removal device

    • Patent number 4,059,188
    • Issue date Nov 22, 1977
    • Cincinnati Milacron Inc.
    • David Ian McDonald
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Coupling for handling workpiece, conveyor combined therewith, and m...

    • Patent number 3,958,685
    • Issue date May 25, 1976
    • Cincinnati Milacron, Inc.
    • David Ian McDonald
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL