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BARNES LLEWELLYN T

Overview
  • Total Patents
    19
About

BARNES LLEWELLYN T has a total of 19 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and electrical machinery and energy are MIDAS INT, BREHK VENTURES and WCI OUTDOOR PRODUCTS INC.

Patent filings in countries

World map showing BARNES LLEWELLYN Ts patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 3

Patent filings per year

Chart showing BARNES LLEWELLYN Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barnes Llewellyn T 19
#2 Barnes Charles T 3

Latest patents

Publication Filing date Title
US3281132A Carburetor
US3307920A Apparatus for purifying exhaust gases
US3032969A Venturi degassing attachment
US3090021A Tuning device with specially shaped capacitor plates
US3100856A Variable electrical trimmer capacitor
US3090243A Drive means for reactance unit
US3230430A Variable capacitor
US3081071A Fuel charger for an internal combustion engine
US3086554A Throttle for internal combustion engine
US3033181A Internal combustion engine
US2607826A Trimmer capacitor
US2325298A Bimetallic piston ring
US2052160A Piston ring
US2134021A Hydrocarbon vapor and air mixing device
US1134366A Carbureter.
US1134365A Carbureter.
CA785015A Carburetor
CA662917A Supplemental air by-pass system for internal combustion engines
CA693772A Internal combustion engine