VAN NORMAN MACHINE TOOL CO has a total of 61 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets machine tools, machines and engines, pumps and turbines are PRATT & WHITNEY CO, WERNER FA HERMANN and LEAVITT MACHINE CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 48 | |
#2 | United Kingdom | 8 | |
#3 | France | 2 | |
#4 | Canada | 1 | |
#5 | Germany | 1 | |
#6 | Denmark | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Engines, pumps and turbines | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Grinding or polishing devices | |
#3 | Accessories for machine tools | |
#4 | Milling | |
#5 | Turning | |
#6 | Unspecified technologies | |
#7 | Tools for connecting or disengaging | |
#8 | Vehicle brake control systems | |
#9 | Rotary-pistons | |
#10 | Punching metal |
# | Name | Total Patents |
---|---|---|
#1 | Stowell Byron F | 12 |
#2 | Curtis Frank W | 11 |
#3 | Norman Charles E Van | 7 |
#4 | Arp Ewald A | 5 |
#5 | Healy Francis P | 5 |
#6 | Norman Frederick D Van | 5 |
#7 | Ellingham Robert W | 2 |
#8 | Scott James Y | 2 |
#9 | Ott Robert W | 2 |
#10 | Fleming George W | 2 |
Publication | Filing date | Title |
---|---|---|
US2325746A | Metal cutting tool with inserted teeth | |
US2328061A | Hydraulic vise | |
US2327404A | Milling machine | |
US2308647A | Hydraulic machine tool | |
US2302744A | Spindle control for machine tools | |
US2281921A | Tumble change gear mechanism | |
US2309241A | Dividing head | |
US2304779A | Toolhead unit | |
US2289874A | Milling machine | |
US2301525A | Milling machine | |
US2230716A | Table drive for milling machines | |
US2233551A | Fluid pump | |
US2263928A | Milling machine | |
US2207861A | Boring bar guiding mechanism | |
US2204855A | Boring head | |
US2196827A | Tool guide for boring machines | |
GB491470A | Improvements in and relating to oscillating grinders | |
US2189604A | Boring bar guiding mechanism | |
US2125442A | Valve regrinding device | |
US2113414A | Gauge mechanism |