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HALL WELTER CO INC

Overview
  • Total Patents
    11
About

HALL WELTER CO INC has a total of 11 patent applications. Its first patent ever was published in 1915. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper are REINER KG ERNST, ULTRA ANSTALT ELEKTRO and INDEPENDENT MFG COMPANY.

Patent filings in countries

World map showing HALL WELTER CO INCs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing HALL WELTER CO INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Stamps
#2 Copy machines

Top inventors

# Name Total Patents
#1 Welter Herman C 10
#2 Skeen Lawrence H 1

Latest patents

Publication Filing date Title
US2231237A Check writing machine
US2180446A Check writing machine
US2266524A Printing machine
US2142862A Check writer
US2029646A Inking mechanism for check writers
US1959186A Check writer
US1556552A Check protector
US1601896A Check-writing machine
US1530871A Printing apparatus
US1174642A Printing mechanism and subinking means therefor.
US1174643A Subinking printing means.