thirteen

Industry

  • CPC
  • F02B2075/1852
This industry / category may be too specific. Please go to a parent level for more data

Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Compound internal-combustion hot-gas engines

    • Patent number 4,121,423
    • Issue date Oct 24, 1978
    • Automotive Propulsion Laboratories, Ltd.
    • Marvin R. Querry
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS