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DAFFIN CORP

Overview
  • Total Patents
    17
About

DAFFIN CORP has a total of 17 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets agriculture, machines and chemical engineering are FARMHAND UK LTD, GUERRA LAURO and SHELBOURNE REYNOLDS ENG.

Patent filings in countries

World map showing DAFFIN CORPs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 5
#3 Germany 1
#4 United Kingdom 1

Patent filings per year

Chart showing DAFFIN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Callum Charles L 3
#2 Sorlie Donald T 3
#3 Macgillivray Robert K 2
#4 Huttner William L 1
#5 Mast Aquila D 1
#6 Giles George W 1
#7 Bamford John G 1
#8 Gustafson Merriam Lee 1
#9 Zink Phillip L 1
#10 Lund Tim Leonard 1

Latest patents

Publication Filing date Title
US3298550A Haystack transporting device
US3289833A Rotary material separator having adjustable baffle means
US3231034A Weight indicator for portable feed grinding and mixing machines
US3189160A Roller bed conveyor
US3199796A Portable feed grinder and mixer
GB979626A Hay bale accumulator
US3145522A Center delivery wheel rake
US3104965A Apparatus having a controllable vent
US2977743A Rotary wheel raking device
US3083058A Portable dump apparatus
US2975582A Front mounted rotary wheel side delivery rake
CA708734A Hay bale accumulator
CA684165A Side delivery rakes and/or swath turners
CA710568A Soil tilling apparatus
CA751231A Product size grader
CA738288A Weight indicator for portable feed grinding and mixing machines