HOFFMANN WERNER

Overview

About

HOFFMANN WERNER has a total of 11 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, Germany and German Democratic Republic. Its main competitors in its focus markets measurement, engines, pumps and turbines and electrical machinery and energy are WATANABE TADAYOSHI, SHANGHAI MACROART TECHNOLOGIES CO LTD and Jinan jingheng electronics co ltd.

Patent filings in countries

#	Country	Total Patents
#1	United States	4
#2	Germany	3
#3	German Democratic Republic	2
#4	Czechoslovakia	1
#5	WIPO (World Intellectual Property Organization)	1

#	Industry
#1	Measurement
#2	Engines, pumps and turbines
#3	Electrical machinery and energy
#4	Computer technology
#5	Semiconductors
#6	Basic materials chemistry
#7	Micro-structure and nano-technology
#8	Mechanical elements
#9	Transport
#10	Furniture and games

#	Technology
#1	Analysing materials
#2	Internal-combustion piston engines
#3	Vehicle transmission mounting
#4	Semiconductor devices
#5	Nanostructure applications
#6	Electric digital data processing
#7	Chairs and beds
#8	Producer gas production
#9	Venting or aerating devices
#10	Cables and insulators

Publication	Filing date	Title
US2009277711A1	2009-04-30	Drive train for a vehicle with connectable secondary axle
DD156335A3	1981-04-06	Intake and spray channel arrangement for two-stroke internal combustion engines
DD133247A1	1977-10-05	Method for reducing the dust consumption from fixed bedged gas generators