Learn more

WATTS LTD H & D

Overview
  • Total Patents
    33
About

WATTS LTD H & D has a total of 33 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets mechanical elements, machines and packaging and shipping are GEOFLOW INT PTY LTD, SOLENT & PRATT ENG LTD and ROMANENKO NIKOLAJ T.

Patent filings in countries

World map showing WATTS LTD H & Ds patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 France 7
#3 Germany 6
#4 Canada 4
#5 United States 3
#6 South Africa 3
#7 Italy 1

Patent filings per year

Chart showing WATTS LTD H & Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watts Horace 13
#2 Watts H 3
#3 Watts Doris Elizabeth 1

Latest patents

Publication Filing date Title
FR2344771A1 Hot and cold water mixing tap - has slide valve uncovering part of the hot or cold inlet pipes
DE2647909A1 Hot and cold water mixing valve - has rotatable and slideable plug with small pressure activated surface
US4050475A Mixing faucet
GB1498620A Mixer taps for water services
GB1499874A Mixing valves
GB1500910A Hot and cold water mixing faucet
FR2283372A1 Valve for mixing hot and cold water - using axial and rotary movement for control of amount and ratio
US3981330A Water mixing tap
DE2435221A1 Valve for mixing hot and cold water - using axial and rotary movement for control of amount and ratio
ZA7404648B Water mixing tap
CA1012035A Fluid mixing valve
CA1002850A Mixer taps or valves
ZA7402911B Improvements in or relating to mixer taps or valves
GB1462765A Mixing valves for water services
DE2342369A1 Mixing valve for hot and cold water - controls temp. by rotating valve and regulates amount by sliding valve to and fro
US3893481A Mixer taps or valves
CA998601A Mixer taps or valves
GB1462362A Mixing valve
FR2245233A5 Hot and cold water mixing tap - utilises water pressure to prevent pinching of O-ring seals
DE2260017A1 MIXING TAP OR VALVE