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TREWENT FRANCIS JAMES

Overview
  • Total Patents
    12
About

TREWENT FRANCIS JAMES has a total of 12 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United Kingdom, Austria and United States. Its main competitors in its focus markets transport are ATTEY G S, STOCZNIA SZCZECINSKA SA and MAREPA TRUST LTD.

Patent filings in countries

World map showing TREWENT FRANCIS JAMESs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Austria 1
#3 United States 1

Patent filings per year

Chart showing TREWENT FRANCIS JAMESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Ships

Top inventors

# Name Total Patents
#1 Trewent Francis James 12
#2 Proctor William Edward 10

Latest patents

Publication Filing date Title
GB191122222A Improvements in and relating to Ash Ejectors for Ships.
GB191121446A Improvements in and relating to Discharge Valves for Ash Ejectors.
US1014921A Apparatus for ejecting ashes and other refuse ships.
GB190926268A Improvements in and relating to Apparatus for Ejecting Ashes and other Refuse and Water from the Holds of Ships and from other Places.
GB190911258A Improvements in and relating to Apparatus for Ejecting Ashes and other Refuse and Water from the Holds of Ships and from other Places.
GB190711162A Improvements in and relating to Ash Ejectors.
GB190517693A Improvements in or relating to Armour Plated Ships.
GB190514303A Improvements in and relating to Ash and other Refuse Ejectors.
GB189805919A Improvements in or relating to Plug Cocks for Hydraulic Ash Ejectors, and for other Purposes.
GB189711135A Improvements in Ash Ejectors for Steam Vessels.
GB189412758A Improvements in Apparatus for Ejecting Ashes and other Refuse and Water from the Holds of Ships, and from other Places.