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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 |
| 5877573 |
D.C. motor and reversing circuit |
Mar. 2, 1999 |
| 5874798 |
Micro-turbo generator device |
Feb. 23, 1999 |
| 5869942 |
Noise suppression in relay-switched motors |
Feb. 9, 1999 |
| 5856715 |
Portable electrical power tool having a rare earth permanent magnet motor |
Jan. 5, 1999 |
| 5835351 |
Modular D.C. tool switch assembly |
Nov. 10, 1998 |
| 5821663 |
Power supply configuration for an electric motor with four brushes |
Oct. 13, 1998 |
| 5798584 |
Electric switch, especially for electric hand tools |
Aug. 25, 1998 |
| 5796188 |
Battery-powered medical instrument with power booster |
Aug. 18, 1998 |
| 5793130 |
Miniature electric generator and lighting apparatus |
Aug. 11, 1998 |
| 5753993 |
Adjusting apparatus for carbon brushes on an electric motor |
May. 19, 1998 |
| 5712518 |
Electric motor drive unit for surgical tools |
Jan. 27, 1998 |
| 5698914 |
Starter with a discharge hole on a yoke |
Dec. 16, 1997 |
| 5684388 |
Scroll saw motor/printed circuit board housing with switch lock-out |
Nov. 4, 1997 |
| 5671815 |
Hand machine tool with battery operated drive motor |
Sep. 30, 1997 |
| 5672922 |
Commutator motor |
Sep. 30, 1997 |
| 5664634 |
Power tool |
Sep. 9, 1997 |
| 5662174 |
Battery powered palm ratchet tool |
Sep. 2, 1997 |
| 5651419 |
Powered hand tool |
Jul. 29, 1997 |
| 5642008 |
Power tool motor assembly |
Jun. 24, 1997 |
| 5613259 |
High frequency electric toothbrush |
Mar. 25, 1997 |
| 5614774 |
Air inducer for electric power tool |
Mar. 25, 1997 |
| 5553675 |
Orthopedic surgical device |
Sep. 10, 1996 |
| 5552973 |
Flashlight with self-provided power supply means |
Sep. 3, 1996 |
| 5550416 |
Control mechanism of revolving speed of an electric tool |
Aug. 27, 1996 |
| 5522124 |
Roller burnishing apparatus having directly driven, coaxially disposed burnishing head assembly |
Jun. 4, 1996 |
| 5471102 |
Reciprocating shaft device |
Nov. 28, 1995 |
| 5458159 |
Shielded electrically powered wire wrap tool |
Oct. 17, 1995 |
| 5447263 |
Tag attachment apparatus |
Sep. 5, 1995 |
| 5372420 |
Device having rotatable head |
Dec. 13, 1994 |
| 5363445 |
Auxiliary charging device for a mobile telephone |
Nov. 8, 1994 |
| 5360153 |
Electric powered apparatus for dispensing individual plastic fasteners from fastener stock |
Nov. 1, 1994 |
| 5354215 |
Circuit interconnect for a power tool |
Oct. 11, 1994 |
| 5336953 |
Battery-powered electrical hand-tool |
Aug. 9, 1994 |
| 5332310 |
Self-supporting household stirring appliance |
Jul. 26, 1994 |
| 5315193 |
Hand-guided machine tool comprising a radial blower |
May. 24, 1994 |
| 5311089 |
Hand machine tool |
May. 10, 1994 |
| 5298821 |
Battery-powered tool |
Mar. 29, 1994 |
| 5296768 |
Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture |
Mar. 22, 1994 |
| 5280210 |
Universal electric motor with a switch ring mounted adjacent the brushes |
Jan. 18, 1994 |
| 5253382 |
Power operated toothbrush |
Oct. 19, 1993 |
| 5244275 |
Electrically powered food processing apparatus |
Sep. 14, 1993 |
| 5225727 |
Reverse switch assembly |
Jul. 6, 1993 |
| 5208525 |
Electric power supply assembly for a cordless electric appliance |
May. 4, 1993 |
| 5200657 |
Apparatus for controlling or regulating equipment powered by batteries |
Apr. 6, 1993 |
| 5177424 |
Instrument handle for use with interchangeable batteries |
Jan. 5, 1993 |
| 5170851 |
Electric tool |
Dec. 15, 1992 |
| 5149999 |
Power tool with improved internal wiring structure |
Sep. 22, 1992 |
| 5136197 |
Reaction containment drive for power tool |
Aug. 4, 1992 |
| 5095236 |
Housing for electric motors |
Mar. 10, 1992 |
| 5090488 |
Power tool |
Feb. 25, 1992 |
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