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POLYTECHNIC INST BROOKLYN

Overview
  • Total Patents
    82
About

POLYTECHNIC INST BROOKLYN has a total of 82 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets telecommunications, measurement and surface technology and coating are BIRD TECH GROUP INC, MEASUREMENTS CORP and PIVOTONE COMMUNICATION TECH INC.

Patent filings in countries

World map showing POLYTECHNIC INST BROOKLYNs patent filings in countries
# Country Total Patents
#1 United States 47
#2 Canada 18
#3 United Kingdom 14
#4 Germany 3

Patent filings per year

Chart showing POLYTECHNIC INST BROOKLYNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson Stanley A 12
#2 Weber Ernst 11
#3 Griemsmann John W E 10
#4 Ernst Weber 10
#5 Carlin Herbert J 8
#6 Laemmel Arthur E 7
#7 Schleuning Hubert W 4
#8 Kahn Walter K 4
#9 Leo Birenbaum 3
#10 Bruins Paul F 3

Latest patents

Publication Filing date Title
US3611169A Frequency demodulator for noise threshold extension
US3414810A Voltage standing wave indicators for h-guides
US3351806A Microwave spark-gap switch having a trigger electrode centered between and aligned with the opposed electrode
US3302866A High velocity fluid accelerator
US3408567A Rf power meter employing a travelling wave apparatus and a maser cavity
US3283266A H-guide hybrid junction having an elongated coupling slot
US3155929A H-guide attenuator
US3148079A Process for producing thin film ferrimagnetic oxides
US3258414A Multilayer membrane electrodes
US3010088A Te02 mode suppressor for te01 mode circular waveguide
US3174108A Pulse generating electrical circuit arrangements
US3002163A Mode coupler for circular waveguides
US3114119A Hybrid-junction cut-off waveguide filter
US3162803A Magnetic amplifier for active direct current loads
US2994842A Coupled-coil wave circulator
US3040278A Broad-band single-wire transmission line
US3018316A Battery separators and method for producing the same
US3087404A Photographic method
US2864063A Microwave control devices
GB856327A Membrane materials and process for producing the same