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PRECISION METALSMITHS INC

Overview
  • Total Patents
    117
About

PRECISION METALSMITHS INC has a total of 117 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets materials and metallurgy, machines and medical technology are Luoyang liushi mould co ltd, PREC METALSMITHS INC and SHERA WERKSTOFFTECHNOLOGIE GMB.

Patent filings per year

Chart showing PRECISION METALSMITHS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horton Robert A 30
#2 Simmons John H 9
#3 Watts Claude H 9
#4 Daugherty Donald A 6
#5 Horton R 5
#6 Robaato Ei Hooton 4
#7 Bauer Timothy R 4
#8 Shikinai Tadaomi J 3
#9 Yaichner Ella M 3
#10 Coghill Timothy L 3

Latest patents

Publication Filing date Title
US5310420A Refractory containing investment material and method of making
US4727929A Investment shell molding apparatus and method
US4284121A Process and materials for making refractory cores
US4316498A Investment shell molding materials and processes
US4300617A Pattern assemblies
US4220190A Method of making tooling
US4340107A Ceramic shell molding apparatus and methods
JPS532334A Composite substance for model material
US4106945A Investment material
US4123876A Casting cut-off machine
US4061175A Pattern assembly and method of making the same
US4064083A Pattern material composition
US4016922A Method and apparatus for feeding granulated material
US4109699A Pattern assembly
US4040466A Investment shell molding process
US4003423A Methods and means for making dental castings and the like
US3871440A Apparatus for forming ceramic shell molds
US3812898A Method for forming ceramic shell molds
US3859405A Methods of making molded refractory articles
US3811903A Silicone coated injection moldable thermoplastic material