| Patents for F01B 21 - Combinations of two or more machines or engines (337) |
|---|
| 05/02/1990 | CN1041808A 整体式动力压缩机 Integral power compressor |
| 04/03/1990 | US4914333 Electromotor belt drive adjustment assembly |
| 12/06/1989 | EP0345055A2 Liquid piston internal combustion engine |
| 11/23/1989 | EP0343093A2 Internal combustion motor |
| 09/06/1989 | EP0330898A1 Unit comprising an electric motor and a machine driven by the motor by means of a belt |
| 07/06/1989 | DE3743382A1 Gear arrangement for coupling two engines to a working machine |
| 05/24/1989 | CN2038152U Multipurpose water pump |
| 04/24/1989 | EP0246275A4 Thermally powered engine. |
| 04/18/1989 | CA1252637A1 Liquid piston engine |
| 12/29/1988 | WO1988010357A1 Circular wing fitted with piston- and mass-type propulsion units |
| 12/20/1988 | US4791824 Power transfer device |
| 11/25/1987 | EP0246275A1 Thermally powered engine. |
| 06/04/1987 | WO1987003357A1 Thermally powered engine |
| 03/17/1987 | US4649708 Engine synchronizer |
| 02/26/1987 | DE3600194A1 Internal combustion engine with self-ignition |
| 12/23/1986 | CA1215549A2 Hydraulically driven compressor/pump apparatus for resonant free piston stirling engine |
| 12/23/1986 | CA1215548A1 Hydraulically driven compressor/pump apparatus for resonant free piston stirling engine |
| 10/21/1986 | US4617801 Thermally powered engine |
| 05/06/1986 | CA1204196A1 Vehicle speed control device for use in trolley- assisted dump trucks of single phase alternating current system |
| 07/02/1985 | US4526007 Electromagnetic turbine system |
| 11/20/1984 | US4483148 Vehicle speed control device for use in trolley-assisted dump trucks of single phase alternating current system |
| 06/26/1984 | US4455838 Control device for a balancing apparatus |
| 02/16/1982 | US4315403 Aero-hydraulic generator and a heat recovery installation including such a generator |
| 09/17/1980 | EP0015849A1 A reversible aero-hydraulic generator |
| 04/01/1980 | US4195481 Power plant |
| 01/30/1979 | CA1047334A1 Multiple air motor drive unit |
| 12/12/1978 | US4129005 Momentary torque maximizing method and apparatus |
| 12/05/1978 | US4128083 Gas cushioned free piston type engine |
| 09/26/1978 | US4116006 Modular engine assembly |
| 02/07/1978 | US4072445 Rotary gas pressure engine system |
| 06/07/1977 | US4027485 Modular engine assembly |
| 06/07/1977 | US4027484 Modular engine assembly |
| 05/24/1977 | US4025224 Multiple air motor drive unit |
| 05/03/1977 | US4020638 Auxiliary fluid power system |
| 12/21/1976 | US3998049 Steam generating apparatus |
| 11/16/1976 | US3991654 Hydraulic system for use in engines having reciprocating pistons and rotary piston rods |
| 04/13/1976 | US3949556 Modular engine assembly |