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LOGSDON FOUNDATION

Overview
  • Total Patents
    22
About

LOGSDON FOUNDATION has a total of 22 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and machines are LSP PRODUCTS GROUP INC, APPLINTER ADHESIVES INC and SIOUX CHIEF MFG CO INC.

Patent filings in countries

World map showing LOGSDON FOUNDATIONs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 6

Patent filings per year

Chart showing LOGSDON FOUNDATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Logsdon Duane D 16
#2 Logsdon Daniel D 6

Latest patents

Publication Filing date Title
US5072461A Movable fitting members for use with drain fittings
US5072911A Barrier mold for forming openings in concrete structures
US4925045A Tub boxes
US5052726A Seal structures for flanges having bowed sealing surfaces
US4961848A Drain grate with primary and secondary weirs
US4903921A Pipe holders
CA1160658A Roof flashings for use with solar collector
CA1161879A Roof flashing structures
US4385777A Decorative escutcheon capable of inhibiting the propagation of noise
US4309007A Sound insulating support for plumbing pipes
US4314687A Sound isolating device for suspending plumbing pipes
US4280305A Roof flashings for use with solar collector
US4265058A Roof flashing structures
US4212486A Water closet protector stabilizer
US4158471A Washing machine outlet box
US4215724A Backflow preventer for sewer system
US4160347A Roof flashing structure