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LEVAN SPECIALITY CO INC

Overview
  • Total Patents
    12
About

LEVAN SPECIALITY CO INC has a total of 12 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets machines, transport and civil engineering are ROBERTS JAY CO, BAILEY EDWIN W M and BAILEY DAVID C.

Patent filings in countries

World map showing LEVAN SPECIALITY CO INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Germany 2
#3 United Kingdom 1

Patent filings per year

Chart showing LEVAN SPECIALITY CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lehne John 6
#2 Kwan Gerald A 4
#3 Wooten Ronald E 4
#4 Destepheno George E 2
#5 Bristow Charles R 1
#6 Kwan Gerald 1
#7 Levan Eugene B 1

Latest patents

Publication Filing date Title
US4606574A Sun shade for vehicle sunroofs
US4484773A Detachable low-profile latch assembly for releasably hinged closure panels
US4466644A Multi-positioning latch assembly
US4428155A Releasable hinge device for removable panels
US4428170A Combination frame structure and fastening device for vehicle sunroofs
US4226052A Disengageable hinge device for a removable vehicle roof panel
US4257632A Detachable latching device for closure panels
US4161336A Dual-opening sun roof
US4095968A Method of bending glass sheets without heating