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JAMES KNIGHTS COMPANY

Overview
  • Total Patents
    22
About

JAMES KNIGHTS COMPANY has a total of 22 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic communication technologies, machines and electrical machinery and energy are PIEDEKKU GIJUTSU KENKYUSHO KK, PIEDEK TECHNICAL LAB and MEMS SOLUTION INC.

Patent filings in countries

World map showing JAMES KNIGHTS COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 7

Patent filings per year

Chart showing JAMES KNIGHTS COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holmbeck John D 6
#2 Berge Robert E 5
#3 Overbey Ernest E 3
#4 Silver John F 2
#5 Martyn Lloyd G 2
#6 Dick Louis A 2
#7 Sylvester Frederick F 1
#8 Knights James R 1
#9 Holzrichter Robert F 1
#10 Sulzer Peter G 1

Latest patents

Publication Filing date Title
US3158821A Oven for piezoelectric crystals
US3006711A Crystal assembly
US3069572A Piezoelectric device
US2795905A Method and apparatus for making evacuated envelopes
US2877338A Method of adjusting the operating frequency of sealed piezoelectric crystals
US2808523A Crystal assembly
US2816239A Sealed crystal assembly
US2651731A Temperature control unit for piezoelectric crystal
US2702691A Generator system for producing rotating vibratory field
US2597797A Crystal holder
US2505121A Method of finishing crystals
US2626363A Piezoelectric crystal and method of making it
US2523701A Crystal holder
US2515673A Electrical component
US2383638A Means for multiple edging and squaring radio quartz crystals
CA582851A Crystal assembly
CA637035A Crystal assembly
CA531512A Method and apparatus for correcting crystal blanks
CA575717A Sealed crystal assembly
CA514589A Temperature control unit for piezoelectric crystal