Magnets And Electromagnets Patents (Class 335/209)
- Frequency-responsive type (Class 335/221)
- With relatively movable coil and permanent magnet (e.g., D'Arsonval type) position on the cathode ray tube) (Class 335/222)
- With relatively movable conductors (e.g., dynamometer) (Class 335/223)
- Saturable magnetic type (Class 335/227)
- With motion-conversion means (e.g., reciprocating to rotary motion) (Class 335/228)
- With permanent magnet (Class 335/229)
- With a shunt path for magnetic flux (Class 335/236)
- With auxiliary armature-movement control means (e.g., manual) (Class 335/238)
- With time delay armature-movement control means (Class 335/239)
- Alternating current type (Class 335/243)
- With armature latch means (e.g., means to retain armature in open or closed position (Class 335/253)
- With plunger-type armature (Class 335/255)
- Plural armatures actuated by single electromagnetic coil (Class 335/265)
- Plural coils or magnets control armature movement (Class 335/266)
- With dynamically balanced armature (Class 335/269)
- Armature-mounting means (Class 335/270)
- With shock absorption, vibration or bounce-preventing means (Class 335/277)
- With casing or enclosure (Class 335/278)
- Armature shape, structure or material (Class 335/279)
- Core or pole shape, structure or material (Class 335/281)
- Coil shape, structure or material (Class 335/282)
- With workpiece to magnet adapted or fixture (e.g., to bridge flux) (Class 335/286)
- Rotary-type magnetic chuck (permanent or electromagnet type) (Class 335/288)
- Electromagnet type (e.g., electromagnetic chuck) (Class 335/289)
- With magnetic-hold control means (e.g., means to control the hold strength) (Class 335/295)