ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,881, issued on Oct. 14, was assigned to R. STAHL SCHALTGERATE GMBH (Waldenburg, Germany) and ODU GMBH & Co. KG (Muhldorf, Germany).
"Plug connection device" was invented by Holger Semrau (Satteldorf, Germany) and Albrecht Hopf (Schnaitsee, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connector device including: a plug which has a plug housing and at least one electrical plug contact that is held so as to be insulated in the plug housing; and a socket which has a socket housing and a socket contact. The socket housing has an electrically insulating plug channel for receiving the plug contact, in which plug channel the socket contact is lo...