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BLACK SIVALLS & BRYSON INC

Overview
  • Total Patents
    492
About

BLACK SIVALLS & BRYSON INC has a total of 492 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, chemical engineering and machines are INDUFIL B V, GWYNNE RAYMOND and PERGOLA S R L.

Patent filings per year

Chart showing BLACK SIVALLS & BRYSON INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcminn Robert E 29
#2 Wood Loren E 27
#3 Coffman Robert S 18
#4 Worley Marvin S 18
#5 Arenson E 12
#6 Wood Loren Edwin 12
#7 Arenson Edwin M 12
#8 Laurence Lawton L 11
#9 Hansen Franklin A 11
#10 Conover William J 10

Latest patents

Publication Filing date Title
US4460383A Method and apparatus for reconcentrating liquid absorbent
US4236648A Safety pressure relief apparatus
US4158422A Safety pressure relief apparatus
US4122595A Scored rupture disk manufacturing method
US4102167A Method of manufacturing integral fluid pressure rupturable apparatus
CA1073316A Fluid pressure rupturable apparatus
JPS53109225A Safety pressure escaping device
CA1030057A Packaged gas stream hydrocarbon dewpoint control apparatus
DE2708505A1 Pressure vessel bursting disc - has convex and concave sided partition integral with open ended cylinder and originally flat
GB1562329A Safety pressure relief apparatus
US4146047A Integral fluid pressure rupturable apparatus
US4073402A Preassembled pressure relief apparatus
CA1017214A Fluid heater apparatus
CA1062607A Packaged gas stream hydrocarbon dewpoint control apparatus
PH12266A Method and apparatus for generating a heated oxygen enriched gas
US3960519A Method and system for generating a dehydrated inert gas stream
US3924574A Fluid heater apparatus
US3921556A Scored reverse buckling rupture disk manufacturing method
US3908684A Rupture disk assembly
US3932111A Apparatus for incinerating combustible wastes