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HUBBARD MELVIN L

Overview
  • Total Patents
    17
About

HUBBARD MELVIN L has a total of 17 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, machines and civil engineering are KOIZUMI MITSUE, CHEMSOIL CORP and ANSHAN UNIVERSITY OF SCIENCE A.

Patent filings per year

Chart showing HUBBARD MELVIN Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hubbard Melvin L 8
#2 Raddatz Andrea E 6
#3 Gomes John M 6
#4 Baglin Elizabeth G 5
#5 Baglin Elisabeth G 1

Latest patents

Publication Filing date Title
US2004262019A1 Method and apparatus for vibratory kinetic energy generation and applications thereof
CA2468642A1 Method and apparatus for vibratory kinetic energy generation and application thereof
ZA8407903B Formation of tungsten monocarbide from a molten tungstatehalide phase by gas sparging
US3508616A Trenching apparatus
ES290756A1 A pump suitable to transfer solids from free spill or gaskets (Machine-translation by Google Translate, not legally binding)
GB1005289A Rocker pump for free-flowing solids or slurry
US3178013A Conveyor