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NETTELHOFF FRIEDRICH FA

Overview
  • Total Patents
    19
About

NETTELHOFF FRIEDRICH FA has a total of 19 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets electrical machinery and energy are VEMAKO AB, ACAD ELECTRICAL PROD CORP and RICHIER PAUL.

Patent filings per year

Chart showing NETTELHOFF FRIEDRICH FAs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Nettelhoff Friedrich W 10
#2 Bremkes Theo 6
#3 Nettelhoff Christoph 3
#4 Nettelhoff Michael 2
#5 Zimmer Michael 2
#6 Lahrmann Helmut 2
#7 Nettelhoff Friedrich Wilhelm 1

Latest patents

Publication Filing date Title
DE10006567A1 Process for the production of a press commutator as well as lamellar blank and copper semi-finished strips for carrying out the process
DE4302759A1 Collector with reinforcement ring
DE4026929A1 Commutator for electric motor or generator - has carbon segments set into cylinder of insulating duroplastic material
DE4026951A1 Planar commutator for electric motor or generator - has carbon segments set into through passageways in formed body of insulation
DE4015705A1 Collector for an electric motor or generator
DE3911579A1 Commutator
EP0337290A2 Collector for an electric motor, and its armature
DE3812585A1 Commutator for an electric motor, and a reinforcing ring for it
EP0247221A1 Commutator
DD247329A5 Commutator
DE3444330A1 Commutator