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CALDWELL & SONS INC E L

Overview
  • Total Patents
    13
About

CALDWELL & SONS INC E L has a total of 13 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, United Kingdom and Sweden. Its main competitors in its focus markets agriculture and transport are FRANQUET ETS, VANMAC BEHEER B V and HOELZLE MAX.

Patent filings in countries

World map showing CALDWELL & SONS INC E Ls patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 2
#3 Sweden 1

Patent filings per year

Chart showing CALDWELL & SONS INC E Ls patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Agriculture
#2 Transport

Top inventors

# Name Total Patents
#1 Clay Caldwell Frederick 3
#2 Steele Billy S 2
#3 Caldwell Frederick Clay 2
#4 Caldwell Frederick C 2
#5 Brown Victor Elwyn 1
#6 Fowler Byron Leo 1
#7 Caldwell F 1

Latest patents

Publication Filing date Title
US4458588A Dumping transport vehicle for harvested cotton having packer-divider
US4148527A Dumping transport vehicle particularly for cotton bolls
US3955627A Row marker for agricultural implement
US3650096A Multiple section foldable flail-type mower or shredder
GB1160047A Tractor-Drawn Mowing Machine
US3515221A Scraper blade attachment for tractors
US3473302A Tractor drawn multiple section foldable mower
US3400521A Tractor-drawn mowing machine
US3133598A Machine for cutting and shredding above-ground plant growth and for tilling the soiland shredding plant roots
US3068630A Apparatus for cutting and windrowing
US3015927A Rotary mower with windrowing attachment