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ASPLUNDH TREE EXPERT CO

Overview
  • Total Patents
    11
About

ASPLUNDH TREE EXPERT CO has a total of 11 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, packaging and shipping and agriculture are A KIRSCHNER MASCHF, SATRIND SRL and PULSEWAVE LLC.

Patent filings in countries

World map showing ASPLUNDH TREE EXPERT COs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 2
#3 United Kingdom 1

Patent filings per year

Chart showing ASPLUNDH TREE EXPERT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vogan Rex R 2
#2 Blasko Andrew G 2
#3 Pletcher Robert E 1
#4 Asplundh Lester 1
#5 Moyer Richard A 1
#6 Asplundh Carl Hjalmar 1
#7 Lester Asplundh 1
#8 Herder Robert R 1
#9 Esposito James E 1
#10 Patton Joseph D 1

Latest patents

Publication Filing date Title
US4944364A Boom elevating device for line lifts
US4822407A Dilutant for non-agricultural industrial herbicides
US4260114A Safety device for brush chipper
US4037684A Mobile lift apparatus with electric power system
US3989198A Brush chipper and brake assembly usable therewith
US3944147A Brush chipper
US3005512A Aerial supporting structure for line construction and maintenance workers
US3108656A Lifting apparatus for electric-line construction or maintenance workers
GB703956A Improvements in or relating to chipping equipment for reducing branches and the like
CA673249A Aerial supporting structure for line construction and maintenance workers
CA793102A Lifting apparatus for electric-line construction or maintenance workers