Patents for H02G 9 - Installations of electric cables or lines in or on the ground or water (3,775) |
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06/02/1981 | CA1102079A1 Heat-recoverable article |
05/26/1981 | US4269231 Below surface ducting |
05/26/1981 | CA1101905A1 Coupling pipes |
05/26/1981 | CA1101820A1 Re-enterable duct seal |
05/12/1981 | US4267401 Seal plug |
05/12/1981 | US4267399 Transformer pad with cable protective sleeve |
04/21/1981 | US4262913 High pressure gland for optical fibres and/or electrical conductors |
03/17/1981 | US4256920 Re-enterable duct seal |
12/30/1980 | US4242533 Test station apparatus |
12/30/1980 | CA1092533A1 Modular cable trench system |
11/11/1980 | CA1089211A1 Thermal stabilization of soil |
10/15/1980 | EP0017616A1 Process and apparatus for laying and fastening heavy electrical cables |
09/23/1980 | US4223796 Attachment for electrical junction box |
09/17/1980 | EP0015579A1 Test station |
09/09/1980 | US4221365 Adjustable cable draw mechanism |
09/03/1980 | EP0014949A1 Fire-protective barrier forming a partition in a cable channel |
09/02/1980 | US4220734 Crosslinked graft polymer of acrylic ester |
08/12/1980 | CA1083704A1 Mobile home telephone stake |
08/12/1980 | CA1083479A1 Apparatus and method of connecting a flexible line to a subsea station |
07/29/1980 | CA1082620A1 Method and device for sealing the ends of underground cable pipes |
07/15/1980 | US4213111 Ground level transformer unit |
06/10/1980 | CA1079387A1 Test station apparatus |
04/29/1980 | CA1076495A1 Means for protecting underground electrical equipment from thermal runaway |
04/22/1980 | US4199072 Detachable street light base terminal cabinet |
04/22/1980 | CA1075866A1 Process for protecting the metal parts of a submarine electric cable against the action of corrosive agents and cable obtained thereby |
04/03/1980 | WO1980000583A1 Service line terminal box system,especially for ships moored to quays |
03/11/1980 | US4192963 Grounding electrode and method of reducing the electrical resistance of soils |
03/11/1980 | CA1073225A1 Buoyancy device and method |
02/26/1980 | US4190734 Cable pedestal rodent guard system, method of constructing same, and kit and composition |
02/26/1980 | CA1072646A1 Concomitant cooling arrangement for underground gas pipe-type cables |
02/07/1980 | WO1980000182A1 Preformed conduit joining apparatus and method |
01/15/1980 | US4183601 Terminal post |
01/15/1980 | US4183484 Modular conduit spacer rack |
12/04/1979 | US4177078 Thermal stabilization of soil |
08/28/1979 | US4165592 Cable directing apparatus |
08/21/1979 | CA1060868A1 Method and apparatus for deployment and retrieval of fixed lengths of electrical cable into and from a well bore |
08/07/1979 | US4163503 Lid and housing |
07/31/1979 | US4162865 Method for laying carrier cables, such as telephone lines |
07/24/1979 | CA1058890A1 Method and apparatus for laying an oil filled cable at depths below the laying equipment |
06/12/1979 | US4158102 Enclosure for equipment |
04/18/1979 | EP0001541A1 A sinker weight for sea conduits |
04/03/1979 | US4147449 Protection conduit line for laying underground cables |
03/27/1979 | US4145857 Base for mounting electrical equipment |
12/05/1978 | CA1043639A1 Fire retardant product for use with electrical cables and the like |
11/07/1978 | US4124324 Modular cable trench system |
10/17/1978 | US4120171 Apparatus and method of connecting a flexible line to a subsea station |
08/22/1978 | US4109097 Expansion-deflection coupling |
08/22/1978 | US4108264 Cable take-up device for electric drive vehicle |
08/22/1978 | CA1037079A1 Push-type coupling and conduit pipe assembly |
06/27/1978 | US4097682 Means for protecting underground electrical equipment from thermal runaway |
06/27/1978 | US4096887 Multibore conduit |
01/17/1978 | US4068489 Method and apparatus for laying an oil filled cable at depths below the laying equipment |
01/10/1978 | US4068088 Underground mine equipment |
01/10/1978 | US4067258 Crossover unit utilizing slotted pad and wedge-shaped closure strip |
12/20/1977 | US4064359 Fire retardant product for use with electrical cables and the like |
11/22/1977 | US4059199 Utility box fastener |
09/20/1977 | US4048807 Methods for emplacing and maintaining transmission lines |
09/20/1977 | US4048686 Buoyancy device and method |
06/28/1977 | US4032708 High voltage electrical transmission line and conduit therefor and method of making same |
05/17/1977 | US4023834 Push-type coupling and conduit pipe assembly |
05/03/1977 | US4020531 Clamp for waveguides, cable or the like |
02/15/1977 | US4007941 Seal for duct terminator |
02/08/1977 | US4006875 Protection equipment for flexible elongated members |
01/18/1977 | US4003435 Method and apparatus for deployment and retrieval of fixed lengths of electrical cable into and from a well bore |
01/11/1977 | US4002358 Adapter for connecting conduit to pipe |
01/04/1977 | US4001489 Submarine power cable grounding means and method |
10/12/1976 | US3985949 Cable with turn back protector |
09/07/1976 | US3978678 Method and apparatus for plugging a pipeline |
08/31/1976 | US3977703 Multiple duct underground conduit |
07/13/1976 | US3968601 Handhole to receive and locate connections of underground secondary electrical power cable terminations |
06/29/1976 | US3965967 High strength portable cable crossover for high tonnage earth moving vehicles |
06/22/1976 | US3964707 Underground conduit holder |
05/04/1976 | US3954242 Plastic fastener |
04/20/1976 | US3951439 Modular cellular conduit assembly |
04/06/1976 | USRE28756 Connecting means for trench cover plates |