Learn more

HOFFMEISTER & SOHN GMBH

Overview
  • Total Patents
    21
About

HOFFMEISTER & SOHN GMBH has a total of 21 patent applications. Its first patent ever was published in 1934. It filed its patents most often in Germany. Its main competitors in its focus markets electrical machinery and energy and transport are DAVID FRANCIS, REGGIANI ILLUMINAZIONE and HUIZHOU CDN IND DEVELOPMENT CO LTD.

Patent filings in countries

World map showing HOFFMEISTER & SOHN GMBHs patent filings in countries
# Country Total Patents
#1 Germany 21

Patent filings per year

Chart showing HOFFMEISTER & SOHN GMBHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hoffmeister Dipl-Kfm Hansmarti 4
#2 Jun Willy Hoffmeister Dipl-Kfm 4
#3 Hoffmeister Hansmartin 3
#4 Zimmermann Hans Dipl-Ing 3
#5 Hoffmeister Klaus 3
#6 Hoffmeister Dipl-Kfm Hans-Mart 2
#7 Hoffmeister Hans-Martin 1
#8 Zimmermann H Dipl-Ing 1
#9 Zimmermann Dipl-Ing Hans 1

Latest patents

Publication Filing date Title
DE1110757B Light fitting for rod-shaped lamps with radial plug-in bases
DE1083427B Attachment of the head of electric light bulb holders to the threaded nipple of the luminaire body
DE1088157B Light fitting for rod-shaped lamps with radial plug-in bases
DE1085257B Electric ceiling lamp for indirect and direct light
DE1031236B Process for the production of sheets of two thermoplastic layers intended for the production of lampshades, in particular curved shells
DE1047940B Electric wall light
DE1044273B Suspension device for lampshades
DE880029C Electric multi-flame tube light
DE880028C Electric tube light with one or more light bulbs
DE861440C Electric wall lamp
DE859925C Mains connection and mechanical fastening of tube lights
DE842684C Rotation lock for the socket jacket on electrical sockets
DE842686C Luminous body with power supply at the ends
DE842683C Components for lamp with screw thread and bayonet lock
DE852269C Tubular long lamp made of plastic and metal with one or more luminous bodies
DE836782C Spring mechanism for drawbar with a brake that comes into action when the pendulum cord runs off
DE844184C Hanger for cord or tube pendant lights with canopy
DE823466C Tubular lamp
DE807409C Tubular lamp
DE807528C Tube lamp