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SONOCO PRODUCTS CO

Overview
  • Total Patents
    853
  • GoodIP Patent Rank
    207,335
About

SONOCO PRODUCTS CO has a total of 853 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, machines and textiles and paper are MAJER CHRISTIAN GMBH CO KG, COMBIBLOC INC and NIHON TETRAPAK KK.

Patent filings per year

Chart showing SONOCO PRODUCTS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunlap Charles K 63
#2 Drummond Michael T 29
#3 Suski William C 27
#4 Cunningham Mccleery B 24
#5 Wilfong Harry B Jr 23
#6 Dunlap Charles K Jr 21
#7 Lowry James W 20
#8 Fletcher Wade D 19
#9 Bacon John Ellis 18
#10 Wilfong Jr Harry B 15

Latest patents

Publication Filing date Title
US2005279472A1 Recycled white ticket stock and method of making same
US6341720B1 Tri-closure dispensing top
US6059104A Corner support post
US5881882A Plastic bag pack adapted to leave no residue on a supporting rack
CA2216676A1 Apparatus for serially dispensing flexible plastic bags
US6196408B1 Release strip for tubular containers and methods and apparatus of applying same
CA2211931A1 Process for closing and hermetically sealing a bottom of a container
US5878922A Self venting plunger
BR9701461A Two-piece plastic container and removable lid
US5868349A Spool having radial support ribs on the flange
US5829669A Tubular container and methods and apparatus for manufacturing same
US5846619A Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same
US5775531A Container for powdered product having a measuring cup device therein
US5752614A Easy-opening closure for hermetic sealing a retortable container
US5785239A Reduced material carton divider and method of producing same
US5711142A Adapter for rotatably supporting a yarn carrier in a winding assembly of a yarn processing machine
US5833592A Method and apparatus for enhancing seam unifority in spirally wound tubes
US5845779A T-shirt type plastic bag pack adapted to leave no residue on a supporting rack
US5788112A Container and end closure adapted for evacuating and back-flushing of gases during closing
US5713484A Two-piece plastic container and removable cover