Learn more

DRIESCHER SPEZIALFAB FRITZ

Overview
  • Total Patents
    246
  • GoodIP Patent Rank
    218,755
About

DRIESCHER SPEZIALFAB FRITZ has a total of 246 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany, Netherlands and Belgium. Its main competitors in its focus markets electrical machinery and energy, machines and measurement are JIANGSU HONGDA ELECTRIC CO LTD, APATOR SPOŁKA AKCYJNA and CONCORDIA SPRECHER ENERGIE.

Patent filings in countries

World map showing DRIESCHER SPEZIALFAB FRITZs patent filings in countries

Patent filings per year

Chart showing DRIESCHER SPEZIALFAB FRITZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hollmann Fritz 95
#2 Hoerchens Helmut 43
#3 Hollmann F 17
#4 Fritz Hollmann 16
#5 Buenger Stefan 14
#6 Emmerich Hans 11
#7 Hans Emmerich 11
#8 Nellen Udo 11
#9 Reisen Willy 9
#10 Horchens H 7

Latest patents

Publication Filing date Title
DE102014109406B3 Switchgear with arc fault limiter
DE102014103230B3 switchgear
DE102013109938A1 Switchgear with arc fault limiter
DE102008047256A1 Method for disconnecting current during high voltage with disconnecting unit, involves controlling flowing current of controlling medium by backup units
DE10160331A1 Contact or electrode arrangement
EP1137138A2 Release for encapsulated switchgear
DE10022185A1 Trigger for an enclosed switchgear
DE10017585A1 Metal-encapsulated gas-insulated MV switchgear device assembled from switching field units selected in dependence on application
DE10013549A1 Arrangement of a switch
DE19932850C1 Fixing system for electrical switch installation component has component support secured to carrier via fixing pins cooperating with guide openings provided by component support
DE19917425A1 Security, especially high-performance security
DE19900219A1 locking device
DE19817444C1 MV load breaker switch for MV switchgear
DE19817072A1 Electrical conductor guide control unit
DE19702780C1 High voltage high power fuse
DE19650931A1 Housing for distributor and/or medium voltage converter cubicles
DE19612565A1 Gas-insulated medium voltage switchgear
DE19607756C1 HV high-power fuse with at least one fusible insert e.g. for protecting local network transformers
DE19540552A1 Disconnectors, in particular medium-voltage switch disconnectors
DE19522852A1 Quench chamber for load disconnection switch