Learn more

ROCKFORD TOOL COMPANY

Overview
  • Total Patents
    26
About

ROCKFORD TOOL COMPANY has a total of 26 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets machine tools, machines and measurement are DAINICHI KINZOKU KOGYO KK, TYBERG OLUF and KITAMURA KOICHIRO.

Patent filings in countries

World map showing ROCKFORD TOOL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 1
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing ROCKFORD TOOL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 David Sundstrand Gustaf 14
#2 Ekstrom Gustaf H 4
#3 Sundstrand Gustaf David 3
#4 Sundstrand Gustaf D 1
#5 Anderson Swan F 1
#6 Sundstrand Oscar J 1
#7 Ekstrom Gustaf E 1

Latest patents

Publication Filing date Title
US1570648A Lathe
US1570649A Automatic lathe
US1596256A Burner
US1499100A Straightening machine
US1510567A Lathe
US1428816A Lathe
GB159702A Improvements in double bed lathes
US1549278A Lathe and method of machining stock
US1598172A Lathe
US1523310A Steady rest
US1387519A Cone-pulley head-stock
US1491523A Adjustable drilling and balancing tool
US1598171A Feed mechanism for tool-supports for lathes
US1476114A Lathe and taper-cutting means for the same
US1559296A Rear tool
US1357362A Tailstock
US1292280A Balancing-stand.
US1338757A Relieving attachment for lathes
US1425716A Indexing mechanism
US1268512A Bevel-gear generator.