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Class Information
Number: 310/50
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Portable or hand tool
Description: Subject matter in which the dynamoelectric device is arranged to be transported or operated while held in the hand.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5089738 |
Battery-driven handtool |
Feb. 18, 1992 |
| 5089729 |
Power tool with brush shifting and reversing switch assembly |
Feb. 18, 1992 |
| 5080983 |
Battery |
Jan. 14, 1992 |
| 5076805 |
Adaptor for hand held power tool |
Dec. 31, 1991 |
| 5063319 |
Universal motor with secondary winding wound with the run field winding |
Nov. 5, 1991 |
| 5054563 |
Electrical hand tool |
Oct. 8, 1991 |
| 5006740 |
Insulated cooling boot for power tool |
Apr. 9, 1991 |
| 4998589 |
Variable speed drill control cam apparatus |
Mar. 12, 1991 |
| 4978877 |
Mounting device for brushes in a reversible commutator motor |
Dec. 18, 1990 |
| 4968922 |
Reversing switch |
Nov. 6, 1990 |
| 4931682 |
Shimless/groundless dynamoelectric machine |
Jun. 5, 1990 |
| 4926075 |
Electric motor brush assembly adaptable to different stators |
May. 15, 1990 |
| 4916341 |
Electric arbor integrated with an induction motor |
Apr. 10, 1990 |
| 4912349 |
Pivotally adjustable electric hand tool |
Mar. 27, 1990 |
| 4879438 |
Lock-on/lock-off switch for power tool |
Nov. 7, 1989 |
| 4872230 |
Electrically powered automobile jack and nut remover |
Oct. 10, 1989 |
| 4835410 |
Dual-mode corded/cordless system for power-operated devices |
May. 30, 1989 |
| 4813136 |
Dry shaver |
Mar. 21, 1989 |
| 4810916 |
Rotary power tool having dual outputs |
Mar. 7, 1989 |
| 4808862 |
Motorized tool with easily replaceable switch |
Feb. 28, 1989 |
| 4803390 |
Dual motor drive arrangement for a small domestic appliance |
Feb. 7, 1989 |
| 4777393 |
Modular tool system switch and actuator assembly |
Oct. 11, 1988 |
| 4772765 |
Combined on/off and reversing switch and electric device therewith |
Sep. 20, 1988 |
| 4765054 |
Method of making a field subassembly |
Aug. 23, 1988 |
| 4763031 |
Electric motor and gearbox unit and component parts thereof |
Aug. 9, 1988 |
| 4758754 |
Portable electric tool with variable torque |
Jul. 19, 1988 |
| 4751452 |
Battery operated power wrap tool |
Jun. 14, 1988 |
| 4748353 |
Hand tool for clockwise and counterclockwise rotations |
May. 31, 1988 |
| 4739242 |
Multistation modular charging system for cordless units |
Apr. 19, 1988 |
| 4730134 |
Portable power tool with combination bearing plate, nut plate and auxiliary handle mount |
Mar. 8, 1988 |
| 4728876 |
Orthopedic drive assembly |
Mar. 1, 1988 |
| 4689534 |
Electrically driven hand-operated tool |
Aug. 25, 1987 |
| 4682066 |
Alignment system for permanent magnet motors |
Jul. 21, 1987 |
| 4647831 |
Rechargeable battery operated appliance system |
Mar. 3, 1987 |
| 4638196 |
Hand-held tool with an electric motor and wearing shells for supporting the same |
Jan. 20, 1987 |
| 4623810 |
Improved heat sink and shaft bearing support for thermo-plastic housing |
Nov. 18, 1986 |
| 4616169 |
Battery-powered appliance |
Oct. 7, 1986 |
| 4613781 |
End cap assembly and brush box an electric motor |
Sep. 23, 1986 |
| 4599529 |
Functional unit for a motorized electrical appliance |
Jul. 8, 1986 |
| 4595841 |
Full-covered portable generator |
Jun. 17, 1986 |
| 4593220 |
Brush bearing sub-assembly for electric motor |
Jun. 3, 1986 |
| 4591777 |
Multi-station modular charging system for cordless tools and appliances |
May. 27, 1986 |
| 4588910 |
Reversing switch arrangement for an electric tool |
May. 13, 1986 |
| 4574471 |
Methods of assembling components of an electric motor |
Mar. 11, 1986 |
| 4569125 |
Wiring arrangement for an electric tool |
Feb. 11, 1986 |
| 4556803 |
Trigger switch circuit for solenoid-actuated electric hand tool |
Dec. 3, 1985 |
| 4523116 |
Electrical connection system for motors |
Jun. 11, 1985 |
| 4523115 |
Switching device for reversing a portable electric tool |
Jun. 11, 1985 |
| 4510404 |
Mounting for electronic circuit board in power hand tool |
Apr. 9, 1985 |
| 4484096 |
Field subassembly for an electric motor |
Nov. 20, 1984 |
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