Patents by Inventor Gijsbert Waldemar Irik

Gijsbert Waldemar Irik has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Circuit-breakers for high voltages
    Patent number: 4109124
    Abstract: Monophase or polyphase circuit-breaker for high voltages, in which the switch work is or the switch works of all phases together are insulatedly accommodated in a closed metal casing and the two end contact holders of the or each switch work are connected through connecting members having the shape of coaxial hollow spherical caps which face each other with their edges to the connecting conductors of the circuit-breaker which extend insulatedly through the wall of the casing, said spherical cap-shaped connecting members forming at the same time potential gradient controlling shields.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: August 22, 1978
    Assignee: Coq B.V.
    Inventors: Rintje Boersma, Gijsbert Waldemar Irik
  • Metal clad monophase switchgear panels for high voltages and polyphase switching plants consisting of such switchgear panels
    Patent number: 4004118
    Abstract: Metal clad switchgear for high voltages comprising monophase switchgear units, in each of which the circuit-breaker is accommodated in a spherical casing and each isolator connected to the circuit-breaker is provided in a substantially tubular casing which is attached to the casing of the circuit-breaker and has its longitudinal axis directed radially or substantially radially to the sphere of the circuit-breaker casing.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: January 18, 1977
    Assignee: COQ B.V.
    Inventors: Rintje Boersma, Gijsbert Waldemar Irik