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SPROUT WALDRON AND COMPANY

Overview
  • Total Patents
    25
About

SPROUT WALDRON AND COMPANY has a total of 25 patent applications. Its first patent ever was published in 1901. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machines, chemical engineering and machine tools are SCHOLD GEORGE R, SZEGVARI ANDREW and CHUZHOU YUHE STATIONERY PRODUCTS CO LTD.

Patent filings in countries

World map showing SPROUT WALDRON AND COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 16
#2 United States 9

Patent filings per year

Chart showing SPROUT WALDRON AND COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fisher Chester D 5
#2 Snyder Simon 4
#3 Simon Snyder 3
#4 Grahek Joseph L 2
#5 Colley Levi David 2
#6 Thompson John H 2
#7 Winegardner Lloyd C 1
#8 Green Frank B K 1
#9 Snyder Simmon 1
#10 Curran John B 1

Latest patents

Publication Filing date Title
US2306145A Apparatus for forming nodules and the like
US1724808A Mixing machine
US1707999A Apparatus for mixing molasses with stock feed
US1666798A Grain-cracking machine
US1666797A Grain-cracking machine
CA126865A Sieve bolter
US783022A Attrition-mill.
US740479A Quick-release device for grinding-mills.
US740480A Quick-release device for grinding-mills.
US712909A Sharpener or dresser for mill-runners.
CA694412A Attrition mill apparatus
CA574924A Pneumatic truck loader and unloader
CA205564A Bolting machine
CA587764A Pellet mill
CA552082A Hammer mills
CA669307A Pulp manufacture
CA902680A Side inlet rotary valve
CA796183A Mixer for feeds and the like
CA883554A Refining plate for high consistency pulp
CA617735A Pellet cooler