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SANDYCROFT LTD

Overview
  • Total Patents
    17
About

SANDYCROFT LTD has a total of 17 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy and machines are HUBEI HUANYEE ELECTROMAGNETIC EQUIPMENT ENG TECH CO LTD, MCCOLLUM BURTON and LOUIS JOHN HUNT.

Patent filings in countries

World map showing SANDYCROFT LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Germany 2
#3 France 2

Patent filings per year

Chart showing SANDYCROFT LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hunt Louis John 1
#2 Hunt John 1

Latest patents

Publication Filing date Title
DE455158C Single machine cascade type dynamoelectric machine
GB201412A Improvements relating to crushing machines
GB165298A Improvements relating to crushing machines
GB123381A Improvements in Governors and other Devices of which the Operation is Dependent upon the Speed of Rotation of a Member.
GB124018A Improvements relating to Alternating Current Dynamo-electric Machines adapted for Synchronous Working.
GB122659A Improvements in and relating to the Insulation of the Windings of Electrical Machines and Apparatus.
GB111689A Improvements in the Construction of Dynamo Electric Machines.
GB191515113A Improvements relating to Dynamo-electric Machines adapted for Synchronous Working.
GB191424838A Improvements relating to Dynamo-electric Machines.
GB191424837A Improvements in or relating to Alternating Current Dynamo-electric Machines adapted for Synchronous Working.
GB191424839A Improvements relating to Alternating-current Dynamo-electric Machines.
GB191314043A Improvements in and connected with Operating Gear for Electric Controllers.
GB191309261A Improvements in or relating to Alternating Current Dynamo-electric Machines adapted for Synchronous Working.
GB191309260A Improvements in or relating to Variable Speed Dynamo-electric Machines.
DE437343C Cascade-switched motor for synchronous running