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ELPHINSTONE GEORGE KEITH BULLE

Overview
  • Total Patents
    16
About

ELPHINSTONE GEORGE KEITH BULLE has a total of 16 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United Kingdom. Its main competitors in its focus markets measurement, control and transport are CHADBURN WILLIAM, LUMEDYNE TECH INCORPORATED and NEW SD INC.

Patent filings in countries

World map showing ELPHINSTONE GEORGE KEITH BULLEs patent filings in countries
# Country Total Patents
#1 United Kingdom 16

Patent filings per year

Chart showing ELPHINSTONE GEORGE KEITH BULLEs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Elphinstone George Keith Bulle 16
#2 Heap Arthur Cecil 2
#3 Collins Charles Henry 1
#4 Fast Harry Fitz-Herbert 1

Latest patents

Publication Filing date Title
GB191315556A Improvements in Ships' Telegraphs and like Apparatus.
GB191101024A Improvements in Navigational Instruments.
GB191001484A Improvements in Electric Signalling Mechanism.
GB191000661A Improvements in Distance Recorders or Logs.
GB190900981A Improvements in Mechanism for Indicating and Recording a Ship's Speed Applicable also for Indicating and Recording the Flow of Water through Pipes.
GB190828269A Improved Means for Driving Speed Indicators for Vehicles.
GB190825529A Improvements in Micrometer Gauges.
GB190523958A Improvements in Recording Instruments.
GB190427619A Improvements in the Manufacture of Metal Castings.
GB190421028A Improvements in Electrical Measuring Instruments.
GB190405270A Improvements in Recording Instruments
GB190404234A Improvements in Electrical Measuring and Indicating Instruments.
GB190317621A Improvements in Speed Indicators and Methods for Driving the same
GB189818272A Improvements in Apparatus for the Measurement of Alternating Currents.
GB189726399A Improvements in Electrical Measuring Instruments.
GB189617577A Improvements in Electrical Measuring Instruments.