Learn more

PRINCETON APPLIED RES CORP

Overview
  • Total Patents
    60
About

PRINCETON APPLIED RES CORP has a total of 60 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets measurement, materials and metallurgy and basic communication technologies are MORRIS JONATHAN M, ISRA SURFACE VISION GMBH and ENVIRONMENTAL SYST PROD.

Patent filings per year

Chart showing PRINCETON APPLIED RES CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith John L 6
#2 Coor Thomas 5
#3 Jones Roger S 5
#4 Smith J L 4
#5 Whitlock Bruce N 3
#6 Bado Philippe 3
#7 Forsyth Keith W 3
#8 Brault James W 3
#9 Ridgway Stuart L 2
#10 Thomas Coor 2

Latest patents

Publication Filing date Title
WO8909413A1 Electro-optic probe
US4910458A Electro-optic sampling system with dedicated electro-optic crystal and removable sample carrier
US4750833A Fiber optic dispersion method and apparatus
US4703168A Multiplexed wedge anode detector
JPS60171414A Lock-in amplifier
EP0119711A1 Lock-in amplifiers
CA1211802A Lock-in amplifiers
EP0084192A2 Crystals for altering the frequency of an incident optical wave and apparatus and methods for using same
US4259014A Fiber optic polychromator
CA1099786A Apparatus and methods for effluent stream analysis
US4142944A Apparatus and methods for effluent stream analysis
US4260467A Static drop mercury electrode
US3836775A Electron impact spectrometer of high sensitivity and large helium tolerance and process of characterizing gaseous atoms and molecules by the energy loss spectrum
US3867620A Signal correlator with improved dynamic range
US3793599A Rotating capacitor square wave filter and applications thereof
US3715678A Active electrical filter
GB1207747A Signal correlator
US3554649A Apparatus for slit illumination
US3522739A Spectrophotometer apparatus utilizing a ratio measuring circuit
US3531729A Transistor amplifier with controlled temperature-dependent gain