Electrical Resistors Patents (Class 338)
- Plural conditions (Class 338/14)
- Photoconductive (e.g., light sensitive) (Class 338/15)
- Current and/or voltage (e.g., ballast resistor) (Class 338/20)
- Ambient temperature (Class 338/25)
- Magnetic field or compass (e.g., Hall effect type) (Class 338/32R)
- Float actuator (Class 338/33)
- Gas, vapor, or moisture absorbing or collecting (Class 338/34)
- Fluid- or gas pressure-actuated (Class 338/36)
- Gravity stabilized or inertia actuator (Class 338/43)
- Force-actuated (Class 338/47)
- Musical instrument playing key actuated (Class 338/69)
- In or on lamp socket (Class 338/70)
- With resistor cleaner (Class 338/75)
- Interchangeable resistors of different resistance value (Class 338/76)
- Plug boxes (Class 338/77)
- With current reversing (e.g., reversing rheostat) (Class 338/78)
- With element winding and/or unwinding (Class 338/79)
- Liquid resistance element (Class 338/80)
- Contact adjustably inserted into resistance element (e.g., penetrating type) (Class 338/87)
- Mathematical function (e.g., sine-cosine potentiometer) (Class 338/89)
- Resistance element adjustably short-circuited (Class 338/92)
- With motion or vibration damping means (e.g., dashpots) (Class 338/98)
- Surfaces pressed together (e.g., compressible type) (Class 338/99)
- Deformable (Class 338/114)
- Element in piled or stacked layers (Class 338/115)
- With electromagnetic operator (e.g., electric motor) (Class 338/116)
- Slidable coextensive helical and linear contacts (Class 338/117)
- Movable contact electrically adjustable over length of resistance element (Class 338/118)
- Resistance value varied by removing or adding material (Class 338/195)
- With resistor actuator position indicator (Class 338/196)
- With support (Class 338/197)
- With switch actuated by resistor actuator (Class 338/198)
- With housing (Class 338/199)
- With switch (Class 338/200)
- With resistance value indicator (Class 338/227)
- Casing extends through plate (Class 338/228)
- Probe type (Class 338/229)
- Metal casing or housing cast around element (Class 338/230)
- In liquid (Class 338/231)
- Casing or housing readily openable and/or separable from element (Class 338/232)
- With gaseous or vacuum spacing between element and casing or housing (Class 338/234)
- Element inpowdered insulation with outer metallic sheath (Class 338/238)
- Element in insulation with outer metallic sheath (Class 338/243)
- Element embedded or enclosed in groove or recess (Class 338/252)
- Flattened resistance element between flat layers (Class 338/254)
- Casing or housing formed in plural layers external to element (Class 338/256)
- Resistance element formed as a coating on interior of casing or housing (Class 338/258)
- Wound, braided, or woven casing or housing (Class 338/259)
- Plural resistors (Class 338/260)
- Casing or housing formed as a coating (Class 338/262)
- Helical or wound element (Class 338/267)
- Terminal forms casing or housing (Class 338/271)
- Terminal or lead surrounds and secured to casing or housing (Class 338/272)
- Terminal or lead extends into end of elongated casing or housing (Class 338/273)
- Casing or housing formed on and hardened on resistor (e.g., molded) (Class 338/275)
- Terminal or lead extends through casing or housing wall (Class 338/276)
- Element includes integral stiffening structure (Class 338/284)
- Element extends along groove in base (Class 338/285)
- Helical (Class 338/286)
- Compound or multiple zigzag (Class 338/287)
- Element includes conductive jumpers or spacers (Class 338/289)
- Element projects in or through an opening or a slot in a support or frame (Class 338/290)
- With transverse element stiffening or reinforcing rod or strip (Class 338/291)
- Element forms a coating (Class 338/292)
- Planar (Class 338/293)
- Cylindrical (Class 338/294)
- Flat spiral winding (Class 338/297)
- Compound helix or winding (Class 338/298)
- Plural supported helices or windings (Class 338/299)
- Element forms a coating (Class 338/300)
- Element coiled on flat or ribbon base (Class 338/301)
- Element coiled on cylindrical or prismatic core (Class 338/302)
- Element on frame or support (Class 338/304)
- Resistance element and/or terminals printed or marked on base (Class 338/307)
- Resistance element coated on base (Class 338/308)
- Resistance element extends through base (Class 338/310)
- Resistance element mounted in a groove in base (Class 338/311)
- Terminal extends in or through base (Class 338/312)
- Terminal embraces base (Class 338/313)
- Resistance element and base formed in layers (Class 338/314)
- Terminal tapped on resistance element (Class 338/323)
- Diverse terminals (Class 338/324)
- With three or more terminals (Class 338/325)
- Terminals adjacent (e.g., looped resistor) (Class 338/326)
- Terminal coated on resistance element (Class 338/327)
- Terminal and resistance element disposed in flat layers (Class 338/328)
- Welded or soldered (Class 338/329)
- Terminal and resistance element integral (Class 338/330)
- Resistance element surrounds terminal (Class 338/331)
- Terminal embraces or surrounds resistance element (Class 338/332)
