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HOPEDALE MFG CO

Overview
  • Total Patents
    122
About

HOPEDALE MFG CO has a total of 122 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States, France and Canada. Its main competitors in its focus markets textiles and paper, engines, pumps and turbines and chemical engineering are EDWARD HOLLINGWORTH, NORTHROP LOOM CO and BALAGUER GOLOBART.

Patent filings in countries

World map showing HOPEDALE MFG COs patent filings in countries
# Country Total Patents
#1 United States 95
#2 France 19
#3 Canada 6
#4 United Kingdom 2

Patent filings per year

Chart showing HOPEDALE MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jonas Northrop 48
#2 Northrop Jonas 28
#3 Draper Clare H 18
#4 Roper Walter F 2
#5 Roper Charles F 1
#6 Kennedy Henry A 1
#7 Moses Spencer 1
#8 Smith Charles A 1
#9 Northrop Janos 1
#10 Victor Ledoux 1

Latest patents

Publication Filing date Title
US1645203A Dobby for looms
GB244067A Improvements in or relating to shuttle checking means for looms
US1621242A Weft-replenishing loom
US1578911A Bunch-building mechanism for spinning frames
US1613651A Harness mechanism for looms
US1613650A Weft-replenishing loom
US1556207A Shuttle-box tension-controlling mechanism for looms
US1556247A Shuttle-box tension-controlling mechanism for looms
US1639595A Shuttle-box tension-controlling mechanism for looms
GB224861A Improvements in or relating to looms having automatic weft replenishing mechanism
US1635858A Filling-feeler mechanism for looms
US1636703A Clutch mechanism for looms
US1582421A Harness motion for looms
US1648261A Protector mechanism for looms
US1517856A Loom
US1567166A Warp stop motion for looms
US1610701A Shuttle-box tension-controlling mechanism for looms
US1551208A Warp stop motion for looms
US1538729A Beam lock for looms
US1603708A Loom