CROSS RALPH E has a total of 11 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and mechanical elements are JOSEPH T RYERSON AND SON, KEMPSMITH MFG CO and JOSLIN KINGSBURY EDWARD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Accessories for machine tools | |
#3 | Making gears or toothed racks | |
#4 | Milling | |
#5 | Servomotors | |
#6 | Venting or aerating devices | |
#7 | Pistons and sealings | |
#8 | Grinding or polishing devices |
# | Name | Total Patents |
---|---|---|
#1 | Cross Ralph E | 11 |
Publication | Filing date | Title |
---|---|---|
US2673386A | Locating and clamping mechanism | |
US2672884A | Traverse-and-feed-valve assembly | |
US2584428A | Hydraulic cylinder construction and mounting arrangement | |
US2672675A | Locating and clamping mechanism | |
US2642179A | Transfer apparatus | |
US2433201A | Machine for chamfering gears | |
US2261829A | Hydraulic feed for machine tools | |
US2282306A | Insertable blade cutter | |
US2239034A | Grinding wheel dressing fixture | |
US2255651A | Milling machine | |
US2296270A | Gear tooth chamfering machine |