WALKER MAGNETICS GROUP INC has a total of 29 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, EPO (European Patent Office) and Germany. Its main competitors in its focus markets electrical machinery and energy, machine tools and surface technology and coating are CT BADAWCZO KONST OBRABIAREK, A T T ADVANCED TRANSFORMER TEC and JYOTI LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 | |
#2 | EPO (European Patent Office) | 6 | |
#3 | Germany | 3 | |
#4 | France | 2 | |
#5 | United Kingdom | 2 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machine tools | |
#3 | Surface technology and coating | |
#4 | Machines | |
#5 | Medical technology | |
#6 | Packaging and shipping | |
#7 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Accessories for machine tools | |
#2 | Magnets and transformers | |
#3 | Coating metallic material | |
#4 | Metal-working | |
#5 | Unspecified technologies | |
#6 | Electric discharge tubes | |
#7 | AC and DC conversion devices | |
#8 | Diagnosis and surgery | |
#9 | Yarns and threads | |
#10 | Cranes |
# | Name | Total Patents |
---|---|---|
#1 | Pignataro Dominic F | 6 |
#2 | Dunham Richard M | 4 |
#3 | Osipov Vladimir W | 3 |
#4 | Ela Roger B | 3 |
#5 | Chadbourne Thomas G | 2 |
#6 | Pignataro Dominic Francis | 2 |
#7 | Gambut Jean-Michel | 2 |
#8 | Palmer David W | 2 |
#9 | Mcdonald Donald C | 2 |
#10 | Doyelle Pierre | 2 |
Publication | Filing date | Title |
---|---|---|
US6229422B1 | Electrically switchable magnet system | |
EP1129457A2 | Electromagnetic lifting system | |
US6002317A | Electrically switchable magnet system | |
US5270678A | Magnetic rail chuck | |
US5134999A | Ultrasonic transducer assembly | |
US5080234A | Eddy current separator | |
US5014970A | Body member positioner | |
EP0313237A1 | Annular hole cutter | |
US4771358A | Magnetic chuck controller | |
US4807430A | Thread wrapping apparatus | |
US4663602A | Magnetic chuck | |
US4733137A | Ion nitriding power supply | |
US4600964A | Lifting magnet system | |
US4633361A | Chuck control for a workpiece holding electromagnet | |
US4023267A | Method of fabricating a magnetic chuck | |
US4044894A | Load tilting magnetic lift | |
US3978399A | Integrating fluxmeter with input current compensation to cancel drift |