Learn more

HYDRAULIC STEEL COMPANY

Overview
  • Total Patents
    27
About

HYDRAULIC STEEL COMPANY has a total of 27 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and transport are MURRAY JR THOMAS E, LIVINGSTONE WILLIAM and FOSTER MERRIAM AND COMPANY.

Patent filings in countries

World map showing HYDRAULIC STEEL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 27

Patent filings per year

Chart showing HYDRAULIC STEEL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kranz Harry W 6
#2 Sindelar Thomas A 3
#3 Emil Gruenfeldt 3
#4 Wm Kranz Harry 2
#5 Klaus Fred R 2
#6 Edwards William R 2
#7 Greene Frank S 2
#8 Brainard George C 2
#9 Culhane Jr Patrick J 2
#10 Daykin Spensley S 2

Latest patents

Publication Filing date Title
US1551256A Disk wheel
US1601628A Spoked metal wheel
US1702386A Cushion-tire base
US1470626A Disk wheel
US1485459A Arc welding
US1441004A Tire base and method of making same
US1549950A Tunnel form
US1670815A Apparatus for separating sheets
US1513644A Method and apparatus for forming brake drums
US1641122A Rivet heater
US1641085A Rivet heater
US1506157A Pressed-steel spring hanger for automobile frames
US1509507A Automatic welding machine
US1481071A Automatic welding device
US1565322A Ironing machine
US1506442A Connection for metal structures
US1507671A Detachable ring for tire rims
US1499739A Automobile wheel rim
US1493529A Arc-welding machine
US1545036A Barrel joint