KEEFE & MERRITT COMPANY O has a total of 13 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, thermal processes and semiconductors are NAKAMURA SHIGENOBU, MITSUI HIGH TEC and VANTEC CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Thermal processes | |
#3 | Semiconductors | |
#4 | Machines | |
#5 | Furniture and games | |
#6 | Machine tools |
# | Technology | |
---|---|---|
#1 | Dynamo-electric machines | |
#2 | Domestic stoves | |
#3 | Semiconductor devices | |
#4 | Kitchen equipment | |
#5 | Unspecified technologies | |
#6 | Punching metal |
# | Name | Total Patents |
---|---|---|
#1 | Brainard Maurice W | 8 |
#2 | Ralph Bury | 1 |
#3 | Durant Wilbur G | 1 |
#4 | Hamilton Sylvester J | 1 |
#5 | Davis George O | 1 |
#6 | Merritt Robert J | 1 |
Publication | Filing date | Title |
---|---|---|
US3011850A | Power operating adjustable broiler for cooking ranges | |
US2854918A | Rotisserie for kitchen ranges | |
US2811658A | Field construction for electric machines | |
US2806160A | Rotor and method of making the same | |
US2740924A | Dry plate type rectifier | |
US2680822A | Rotor for dynamoelectric machines | |
US2665334A | Dry plate type rectifier | |
US2665398A | Dry plate type rectifier | |
US2634379A | Rotating rectifier for electric machines | |
US2722652A | Excitation system for electrical machines | |
US2632511A | Method and apparatus for making apertured manifolds for gas stoves | |
US2674990A | Stove with folding cover | |
US2664878A | Adjustable broiler for cook stoves |