|
| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
|---|
| 12/25/1979 | US4180083 System for controlling flow rate in pipelines | | 11/13/1979 | CA1066167A1 Aviation fuel grade monitor | | 08/14/1979 | CA1060561A1 Detection means for gas entering human blood system from extra-corporeal tubing | | 07/10/1979 | US4160652 Separation of gas flow from liquid flow | | 05/02/1979 | EP0001674A1 Wheel probe for ultrasonic inspection of pipelines | | 04/18/1979 | EP0001474A1 Wheel probe for ultrasonic inspection | | 03/06/1979 | US4142860 Apparatus for producing a calibration sample for analytical instrumentation | | 03/06/1979 | US4142542 Pipeline buffer hydrocarbon from catalytic cracker effluent | | 10/31/1978 | CA1041401A1 Pipe-rupture safety device for natural-gas lines and the like | | 08/08/1978 | US4105138 Apparatus for presetting volumes of liquid | | 08/01/1978 | US4104171 Inserting fluid spacers in oil column | | 08/01/1978 | US4103700 Aviation fuel grade monitor | | 07/18/1978 | US4100932 Pipe burst safety device for natural gas pipe lines or the like | | 02/21/1978 | US4074692 Pipeline break shutoff control | | 03/15/1977 | US4011882 Method for transporting sweet and sour hydrocarbon fluids in a pipeline | | 04/20/1976 | US3951339 Liquid distribution system for irrigation and the like | | 04/06/1976 | US3948085 Ball launching head for testing a pipeline laid on a submerged bed | | 03/16/1976 | US3944120 Constant tension load-transferring apparatus and method | | 02/17/1976 | US3938912 Horizontal type hydrohoist | | 01/06/1976 | US3930487 Heat exchanger tube tool |
|