Learn more

LANCASTER & TONGE LTD

Overview
  • Total Patents
    21
About

LANCASTER & TONGE LTD has a total of 21 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets mechanical elements, chemical engineering and machine tools are TIANJIN ANLIAN TIANYUAN ENERGY SAVING TECH CO LTD, PAUL GRAEFE and OH SOON UNG.

Patent filings in countries

World map showing LANCASTER & TONGE LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 Germany 1

Patent filings per year

Chart showing LANCASTER & TONGE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Powell John Wilson 4
#2 Butterworth Harry Lewis 2
#3 Brown John Robert Alfred 2
#4 Clough George Francis Gilbert 1
#5 Sloper Charles John Ronald 1

Latest patents

Publication Filing date Title
GB918156A Improvements in water pipeline strainers
GB911167A Improvements in floats for steam traps, valve control mechanism and similar purposes
GB921912A Improvements in control valves for liquids or gases
GB850127A Improvements in expansion joints for pipes
GB851622A Improvements in duplex pipeline strainers
GB775136A Improvements in steam traps
GB693514A Improvements in or relating to steam and water separators
GB631753A Improvements in steam traps
GB631754A Improvements in steam traps
GB581291A Improvements in steam traps
GB305450A An improved machine for bending the plates of laminated springs
GB270960A Improvements in metallic packing rings for pistons and stuffing boxes
GB263435A Improvements in steam traps
GB242431A Improvements in means for operating the valve or valves of a hydraulic press
GB210224A Gas or fluid tight packing for rotating shafts, nozzles and bearings
GB106424A Improvements in Steam Traps.
GB191511767A Improvements in Piston Rings.
GB191503617A Improvements in Steam Traps.
GB191414409A Improvements in Throttle Valves.
GB190404331A A Dirt Arrester and Union Combined for use with Steam Traps and similar Appliances