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CRAMER IND INC

Overview
  • Total Patents
    18
About

CRAMER IND INC has a total of 18 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets furniture and games, machines and civil engineering are MOLLA INC, SAC ACQUISITION LLC and SHELBY WILLIAMS IND.

Patent filings in countries

World map showing CRAMER IND INCs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Germany 2
#3 United Kingdom 2
#4 Canada 1

Patent filings per year

Chart showing CRAMER IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wehner Norvin J 7
#2 Walkinshaw Thomas G 5
#3 Cramer Harold William 1
#4 Wehner Norvin Jack 1
#5 Duly Michael J 1
#6 Wehner N 1

Latest patents

Publication Filing date Title
US4165854A Eccentric pawl for chair locking device
US4113221A Locking device
GB1422671A Step stool structure
US3721315A Step and stool and caster mounting therefor
GB1281624A Height adjustment apparatus for an elevatable portion of an article of furniture
US3630387A File support structure
US3622113A Furniture supporting frame structure
US3559761A Combined step and stool
US3572536A Adjustable card file
US3547394A Height adjustment apparatus
US3434756A Chair with adjustable back and arm rests
US3443784A Locking mechanism for chair pedestals
US3376068A Footring mounting for chairs
US3368846A Self-elevating seat mechanism
US3347593A Spectator seating structure