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SEIFFERT FRANZ

Overview
  • Total Patents
    11
About

SEIFFERT FRANZ has a total of 11 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, United States and Austria. Its main competitors in its focus markets mechanical elements and machines are PEROLO J & CIE SA ETS, MIB ITALIANA SPA and SCHNABEL ERNST.

Patent filings in countries

World map showing SEIFFERT FRANZs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 United States 4
#3 Austria 1

Patent filings per year

Chart showing SEIFFERT FRANZs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Machines

Top inventors

# Name Total Patents
#1 Seiffert Franz 11

Latest patents

Publication Filing date Title
GB190809129A Improvements in and relating to Sluice Valves.
US916494A Sluice-valve.
US924279A Expansion-joint device.
GB190713981A Improvements in Expansion Joints.
US878317A Expansion-joint device.
GB190611262A Expansion Joint Device for Steam Piping
GB190427541A Improvements in and connected with Ball-joint Compensators for Steam or other Pipes.
GB190402902A Improvements in Compensating Devices for Steam-pipes
US687409A Cut-off valve.
GB190107973A Improvements in and connected with Cut-off Valves.