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STIEFF LORIN R

Overview
  • Total Patents
    11
About

STIEFF LORIN R has a total of 11 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, audio-visual technology and measurement are WAINWRIGHT HARRY LEE, FRED HOTCHNER and BROOKS TODO SEGURIDAD ESPANA.

Patent filings in countries

World map showing STIEFF LORIN Rs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 2
#3 Germany 1

Patent filings per year

Chart showing STIEFF LORIN Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stieff Lorin R 11
#2 Stieff Frederick 1
#3 Stieff Charles B 1

Latest patents

Publication Filing date Title
US8153959B1 Measurement of undisturbed radon ground surface flux using a passive radon surface flux monitor
US4336451A Field method for detecting deposits containing uranium and thorium
US4262284A Self-monitoring seal
US4268748A Field method for detecting deposits containing uranium or thorium
US4216380A Field method for detecting deposits containing uranium and thorium
DE2804020A1 Fibre optic security seal - consists of block with crossed optical paths connected by loop of optical fibre cable with random fibre arrangement
CA1112491A Fiber optic seal
US4074415A Fiber optic seal assembly
US4106849A Fiber optic seal