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HAGNER FREDERICK H

Overview
  • Total Patents
    14
About

HAGNER FREDERICK H has a total of 14 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States. Its main competitors in its focus markets measurement, control and transport are MICHELIN TRAVEL PARTNER, TREKACE TECH LTD and AUTONAVI INFORMATION TECHNOLOGY CO LTD.

Patent filings in countries

World map showing HAGNER FREDERICK Hs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing HAGNER FREDERICK Hs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hagner Frederick H 14

Latest patents

Publication Filing date Title
US2892268A Mechanical universe instrument
US2826823A Leveling device
US2839833A Stabilized celestial navigation instrument
US2593141A Visual celestial navigation instrument
US2491730A Missile dropping device
US2557654A Direction inclination indicator
US2460346A Star matcher and sun compass
US2397002A Star identifier and celestial calculator
US2372487A Star identifier
US2402396A Electrical registering and position indicator
US2389852A Azimuth and altitude measuring device
US2402395A Pitch and roll indicator
US2365072A Sand timing instrument
US1562882A Article guaranty