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MCKENZIE & HOLLAND LTD

Overview
  • Total Patents
    20
About

MCKENZIE & HOLLAND LTD has a total of 20 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United Kingdom. Its main competitors in its focus markets transport are FEI XU, STEFAN GOETZ & SOEHNE KOMMANDI and CLAYTON HERBERT FITZROY.

Patent filings in countries

World map showing MCKENZIE & HOLLAND LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 20

Patent filings per year

Chart showing MCKENZIE & HOLLAND LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Guiding railway traffic

Latest patents

Publication Filing date Title
GB104371A Improvements in and relating to Block Instruments for Railway Signalling and like purposes.
GB191325006A Improved Three Position Block Instrument for Railway and Tramway Purposes.
GB191324193A Improvements in Signalling and Interlocking for Railways and Tramways.
GB191204759A Improvements in and relating to Railway Signalling Apparatus.
GB191025300A Improvements in Catch Stops for Railway or other Level Crossing Gates.
GB191015831A Improvements in and relating to Railway Signal Operating amd Controlling Apparatus.
GB191004997A Improvements in Signalling and Interlocking for Railways and Tramways.
GB190816377A An Improved Mechanism for Operating Signals, Stopping Devices and the like on Railways and Tramways.
GB190813277A An Improved Interlocking Apparatus for Railway or Tramway Point, Signal and other Levers.
GB190802061A Improvements in Means for Locking and Releasing Railway or Tramway Point or Signal Levers, or the Operating Connections of Points or Signals, by Train Tablet, Train Staff or its equivalent.
GB190728612A Improvements in Railway and like Point Controlling and Detecting Apparatus.
GB190714572A Improvements in Means for Electrically Detecting the Position of the Switch Tongues and Locking Bolts of Railway Points.
GB190711198A Improvements in or relating to Pulleys for Carrying Signal Wires.
GB190704274A An Improved Interlocking Apparatus for Railways and Tramways
GB190609786A An Improved Method of Electrical Detection Between Railway or Tramway Signals, Points, Facing Point Locks or Fouling Bars.
GB190414224A Improvements in or relating to Train Tablet and like Systems of Signalling on Single Line Railways.
GB190412899A Improvements in or relating to Railway Point and Signal Apparatus and the like.
GB190410545A Improvements in and relating to Railway Point and Signal Apparatus.
GB190409377A Improvements in Electric Treadles or Contact Makers for Railway Signalling and the like.
GB190409378A Improvements in and relating to Tablet, Train Staff and like Systems and Apparatus for Working Traffic on Single Line Railways.