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BROWN CHARLES W

Overview
  • Total Patents
    27
About

BROWN CHARLES W has a total of 27 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, transport and control are KRAY NICHOLAS JOSEPH, TECHSPACE AERO and TECHSPACE AERO SA.

Patent filings in countries

World map showing BROWN CHARLES Ws patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 3

Patent filings per year

Chart showing BROWN CHARLES Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brown Charles W 26
#2 Mann George Z 2
#3 Quinn Christopher M 1
#4 Walker Alan J 1
#5 Brenizer Orson W 1
#6 Bowlzer Alfred H Jr 1
#7 Duelm Shelton O 1
#8 Brown Charles W Reasor Avenue 1

Latest patents

Publication Filing date Title
US2013330196A1 Fan blade platform
US2013309073A1 Detachable fan blade platform and method of repairing same
CA1272414A Vaneless centrifugal pump
US4652207A Vaneless centrifugal pump
US4381568A Combination potty seat and step stool
US2550765A Ice skate sharpener
US2397239A Wrench
US2107931A Method of and apparatus for electrically cooking frankfurters and other articles
US1512451A Brake lining
US1457818A Signal
US1486320A Conveyer system
US1367456A Adjustable wrench
US1341008A Side-splash guard
US1401667A Machine-gun
US1362841A Side-splash mud-guard
US1114853A Convertible hand-truck.
US1044131A Kindling device.
CA132115A Pneumatic conveyer
US984188A Pneumatic conveying apparatus.
US946329A Metallic receptacle.