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MACKINTOSH CHARLES

Overview
  • Total Patents
    34
About

MACKINTOSH CHARLES has a total of 34 patent applications. Its first patent ever was published in 1895. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets civil engineering, machines and medical technology are LIFESTAND INTERNAT SA, EVEREST HERBERT A and JAY MEDICAL LTD.

Patent filings in countries

World map showing MACKINTOSH CHARLESs patent filings in countries

Patent filings per year

Chart showing MACKINTOSH CHARLESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mackintosh Charles 31
#2 Mackintosh John Teasdale 1
#3 Chiyaaruzu Matsukintotsushiyu 1

Latest patents

Publication Filing date Title
US4640469A System for rolling and unrolling a ground cover
US4274503A Power operated wheelchair
US4162594A Movable seating method
US4152992A Track switching arrangement
US3995560A Rail obstruction sensing means for a rail transportation system
US4000702A Transportation system
US3889999A Hinged seat bottom construction
US3869835A Drawer-type grandstand arrangement
US3873153A Movable audience chair
US915616A Faucet-filter.
GB190511119A Improvements in the Method of Constructing Accumulative Mercurial Gravitation Safety Valves for Hot Water Installation Boilers; and Engine, Boiler, Steam, or other Pressure Indicators.
GB190403741A Improvements in Gravitation Safety Valves.
GB190003177A Improvements in Gravitation Safety Valves.
GB189803589A Improvements in and relating to Collision Mats.
GB189617984A Improvements in and in connection with Route Maps.
GB189524622A An Improved Combined Safety Apparatus and Pressure Gauge for Kitchen and other Low Pressure Boilers and Water Heaters.
CA631986A Stands
CA509176A Grandstands
CA521449A Collapsible tables and platforms
CA746196A Grandstands