Inventor
HOPPMANN RALPH
DE23 patents
⚠️ This page may combine multiple inventors who share the name “HOPPMANN RALPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHOENIX CONTACT GMBH & CO
14 patentsUS9413085B2Aug 9, 2016
Electrical connection terminal
PHOENIX CONTACT GMBH & CO12 citations83
US7658639B2Feb 9, 2010
Terminal block
PHOENIX CONTACT GMBH & CO12 citations83
USD752514SMar 29, 2016
Electrical connector
PHOENIX CONTACT GMBH & CO16 citations81
US9831569B2Nov 28, 2017
Metal protective conductor connection element and electrical series terminal
PHOENIX CONTACT GMBH & CO3 citations71
US9806440B2Oct 31, 2017
Terminal block
PHOENIX CONTACT GMBH & CO2 citations69
US10199752B2Feb 5, 2019
Patchboard
PHOENIX CONTACT GMBH & CO3 citations68
US10424864B2Sep 24, 2019
Patchboard
PHOENIX CONTACT GMBH & CO2 citations65
US9461373B2Oct 4, 2016
Terminal clamp
PHOENIX CONTACT GMBH & CO2 citations59
USD737205SAug 25, 2015
Electrical connector
PHOENIX CONTACT GMBH & CO2 citations59
US12388198B2Aug 12, 2025
Connection arrangement employing a clamping spring and actuator
PHOENIX CONTACT GMBH & CO0 citations51
US12294193B2May 6, 2025
Connection arrangement, connection clamp and electronic device
PHOENIX CONTACT GMBH & CO0 citations51
US12119602B2Oct 15, 2024
Terminal
PHOENIX CONTACT GMBH & CO0 citations50
US12531356B2Jan 20, 2026
Base element for an at least two-part overvoltage protector and corresponding overvoltage protector
PHOENIX CONTACT GMBH & CO0 citations43
US10211548B2Feb 19, 2019
Patchboard
PHOENIX CONTACT GMBH & CO0 citations36
BERNSTEIN HANS SPEZIALFABRIK
4 patentsUS5622253AApr 22, 1997
Safety switch
BERNSTEIN HANS SPEZIALFABRIK27 citations91
US5516993AMay 14, 1996
Safety switch
BERNSTEIN HANS SPEZIALFABRIK29 citations91
US5959270ASep 28, 1999
Safety switch
BERNSTEIN HANS SPEZIALFABRIK16 citations72
US5662212ASep 2, 1997
Radius actuator for a safety switch
BERNSTEIN HANS SPEZIALFABRIK8 citations72
HOPPMANN RALPH
4 patentsUS8939800B2Jan 27, 2015
Connection terminal
HOPPMANN RALPH8 citations82
US8062079B2Nov 22, 2011
Connector clamp with opening unit
HOPPMANN RALPH7 citations82
US9083115B2Jul 14, 2015
Electrical connection terminal
HOPPMANN RALPH9 citations80
US9343827B2May 17, 2016
Connecting terminal with a web-shaped conductor guide
HOPPMANN RALPH2 citations61