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SPARKS CHARLES F

Overview
  • Total Patents
    15
About

SPARKS CHARLES F has a total of 15 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper, packaging and shipping and chemical engineering are WUHU HENGNAITE TRANS EQUIPMENT CO LTD, BATES VALVE BAG CO and GESS LARRY C.

Patent filings in countries

World map showing SPARKS CHARLES Fs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 1

Patent filings per year

Chart showing SPARKS CHARLES Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sparks Charles F 15

Latest patents

Publication Filing date Title
US2095771A Bag transformer
US1828881A Bag turning apparatus
US1805432A Bag turning apparatus
US1805112A Apparatus for manufacturing bags
US1805111A Bag turning apparatus
US1698110A Bag-turning apparatus
US1588341A Method and apparatus for sewing bags and other articles
US1588340A Method and apparatus for sewing bags and other articles
US1542647A Calcining method and apparatus
US1525469A Flour packing
US1400327A Bag closing and tying machine
US1425802A Bag closing and tying machine
US1348592A Bag-filling machine
US658474A Cloth-cutter.
CA346804A Bag turning apparatus