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CHARLES HAMMER

Overview
  • Total Patents
    32
About

CHARLES HAMMER has a total of 32 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets packaging and shipping, machine tools and electrical machinery and energy are PEREZ MARTI JUAN, GEMPP & UNOLD A G and LAWSON MARDON SUTTON LTD.

Patent filings in countries

World map showing CHARLES HAMMERs patent filings in countries
# Country Total Patents
#1 United States 26
#2 United Kingdom 5
#3 France 1

Patent filings per year

Chart showing CHARLES HAMMERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Hammer 25
#2 Reid William H 1
#3 Hammer Charles 1

Latest patents

Publication Filing date Title
US2444506A Method of making container closures
US2191989A Method of making container caps or closures
US2175350A Container cap or closure
US1582682A Combined lug cap and liner plate
US1579762A Capped container and cap therefor
US1574085A Metal cap
US1560569A Metal cap or closure
US1569926A Container snap-on rotatably releasable cap
US1577023A Metal cap
US1582681A Glass container
US1577022A Metal cap
US1548459A Metal cap
GB225922A Improvement in glass containers
GB225923A Improvements in glass containers
GB225924A Improvement in glass containers
US1496310A Double-tube-formed stiffened-edge cap
US1577020A Two-thread glass container
US1577021A Band-sealing friction catchup cap
US1492978A Spaced or sectioned continuous-thread container and cap therefor
US1577019A Angular side or decagon cap