Learn more

SMITH WALTER E

Overview
  • Total Patents
    30
About

SMITH WALTER E has a total of 30 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets consumer goods, civil engineering and machines are MILTIMORE MICHAEL, N S M S P A and VERNE Q POWELL FLUTES INC.

Patent filings in countries

World map showing SMITH WALTER Es patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 5
#3 Germany 2

Patent filings per year

Chart showing SMITH WALTER Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Walter E 28
#2 E Smith Walter 2

Latest patents

Publication Filing date Title
US4867030A Bridge for stringed instruments
US4509400A Slide bar guitar
US4538497A Soft body guitar
US4328733A Slide bar holder device for Hawaiian guitar
US4307646A Stringed musical instrument
US4339981A Soft body guitar
CA1091488A Position indicator for guitars
US4095506A Position indicator for guitars
US4043079A Automatic latch door apparatus
US3916753A Guitar conversion
US2644360A Pitch changing device for musical instruments
US2487193A Pitch changing device for musical instruments
US2524144A Pitch changing device for stringed musical instruments
US2487192A Attachment for stringed musical instruments
US2272649A Apparatus for separating granular materials
US2172040A Heat treatment of massecuite in mixer spouts
US2179436A Method of operating a centrifugal separator
US1948052A System of vacuum pan control
US1780408A Insect repeller
US1780407A Insect repeller