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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8076799 | UPS system having a function of parallel operation A UPS system includes one or more UPS units with identical or different capacities. A control circuit, used to control a DC/AC inverter of the UPS unit, includes a voltage feedback control circuit and a current feedforward control circuit. The voltage feedback contr... | 12/13/2011 |
| 8075258 | Heat-dissipating fan housing A heat-dissipating fan housing includes a casing having a compartment with an impeller section, a stationary blade section, and an airflow concentration section arranged from an air inlet toward an air outlet spaced from the air inlet in an axial direction. A mounti... | 12/13/2011 |
| D650503 | Flashlight | 12/13/2011 |
| 8072187 | Battery-charging device for a stand-alone generator system having a MPPT function and method thereof A battery-charging device, having a maximum power point tracking (MPPT) function, for a stand-alone generator system includes a DC/DC power converter and a control circuit used to control the DC/DC power converter. The method applied in the device includes: performi... | 12/06/2011 |
| 8070377 | Quick-release coupler A quick-release coupler includes a rod having first and second sections. The first section includes an end for coupling with a pneumatic tool. The second section extends from the other end of the first section. A sleeve is slideably mounted around the rod and includ... | 12/06/2011 |
| 8070287 | Collapsible eyeglass structure A collapsible eyeglass structure includes a frame bilaterally provided with two temples. The frame has two ends, each having an inner side formed with a through hole. Each through hole has an entrance end with a beveled rim and an opposite end connected to an inward... | 12/06/2011 |
| 8070192 | Dogging device for latch assembly A dogging device includes a base mounted in a housing of a latch assembly. The base includes a hole through which a shaft rotatably extends. A limiting keyway extends from the hole and receives and limits rotation of a shaft key on the shaft. A dogging member includ... | 12/06/2011 |
| 8070170 | Tilt device for a material handling machine A machine (A) includes a frame (16) and a platform (58) on which a boom assembly (B) is mounted. Two arms (332) of a U-shaped pivotal member (330) are pivotably mounted to the frame (16) about a first pivot axis (380) perpen... | 12/06/2011 |
| 8069996 | Gardening tool suspension device A gardening tool suspension device includes a suspension rack (20) having a through hole (22), a gardening tool (10) mounted on the suspension rack and a fastening mechanism (30) mounted on the suspension rack and locked onto the gardenin... | 12/06/2011 |
| 8069869 | Crutch and a grip unit thereof A crutch has a standing unit, an armpit rest and a grip unit. The standing unit has a top, a foot and multiple positioning holes defined between the top and the foot. The armpit rest is mounted on the top of the standing unit. The grip unit transversally attached to... | 12/06/2011 |
| 8069822 | Pet exercise wheel assembly having light-emitting device A pet exercise wheel assembly having a light-emitting device includes an exercise wheel made of a material pervious to light. The exercise wheel has a tapered sleeve projecting from a center of the exercise wheel and is axially formed with a penetrating channel. A l... | 12/06/2011 |
| 8069700 | Effort-saving hand tool An effort-saving hand tool includes a first shaft, a second shaft, a connection shaft, and a third shaft. The first shaft has a first end, a second end, and a pivot point located between the first end and the second end. The second end of the first shaft includes a ... | 12/06/2011 |
| 8069613 | Mullion assembly for double door A mullion assembly (10) includes a top mounting block (92) attached to a top beam (24) of a door frame (22). A bottom mounting block (108) is mounted on a floor (20) spaced from the top beam (24) in a vertical directi... | 12/06/2011 |
| 8069612 | Mullion assembly for double door A mullion assembly (10) includes a top mounting block (92) attached to a top beam (24) of a door frame (22). A bottom mounting block (108) is mounted on a floor (20) spaced from the top beam (24) in a vertical directi... | 12/06/2011 |
| 8069573 | Pruning hook with two operation modes A pruning hook includes an extension shank (30), a blade unit (10) including a fixed blade (12) mounted on the extension shank and a movable blade (13) pivotally connected with the fixed blade, a driving cord (15) connected with th... | 12/06/2011 |
| 8059912 | Method for an image adjustment A method for an image adjustment is disclosed. The method comprises the steps of: reading an interested pixel and its plural neighboring pixels from an image storage device; determining a so-called first gradient value of the first direction and a so-called second g... | 11/15/2011 |
| 8058807 | Flourescent lamp whose ballast has an output power that is regulated for flourescent tubes of different power specifications A fluorescent lamp includes a ballast, a holder, a power regulating switch, and a fluorescent tube. The power regulating switch includes a housing, a base, plurality of inductors, a plurality of first contacts, a plurality of second contacts, a plurality of conducti... | 11/15/2011 |
| 8058759 | Inner-rotor-type motor An inner-rotor-type motor includes a housing, a stator, a rotor and a bearing seat. The stator is received in an assembly space of the housing. The rotor is rotatably positioned in the housing via a bearing and extends through a through-hole of the stator. The beari... | 11/15/2011 |
| 8056590 | Woodworking machine with adjustment unit An adjustment unit is installed to a woodworking machine including a base member and an auxiliary platform and is provided between the base member and the auxiliary platform. The adjustment unit includes an adjustment element including an operated portion formed on ... | 11/15/2011 |
| 8056575 | Check valve structure for use in pump of hydraulic cylinder A check valve for use in a pump of a hydraulic cylinder includes a tubular member having a sheath member received therein. The pump includes a chamber provided in an output pipe thereof for receiving the check valve. The tubular member is constructed in the form of ... | 11/15/2011 |
| 8056381 | Device for producing patterns A device for producing a pattern onto a work piece includes a die, an electromagnetic actuator and a base. The die includes a patterned surface, and the patterned surface includes a pattern. The electromagnetic actuator includes an plate body, a convex part and a st... | 11/15/2011 |
| 8056095 | Storage/retrieval device for optical disks A storage/retrieval device for optical disks includes a container having an access slot. A disk shelf is rotatably mounted in the container and includes a plurality of storage compartments each for receiving an optical disk. A driving roller and a driven roller are ... | 11/08/2011 |
| 8053994 | Intelligent wall switch An intelligent wall switch comprises an extend operation panel including sensor areas with a first conducting film; a glass on the back sides of the sensor areas including second conducting films; a first circuit board including a backlight LED and an infrared emitt... | 11/08/2011 |
| 8052587 | Yoga brick A yoga brick includes first and second casings. Each of the first and second casings includes inner and outer faces spaced along a first axis, a peripheral wall extending between the inner and outer faces, and a first recessed portion formed in the outer face. The f... | 11/08/2011 |
| 8052544 | Basketball practicing apparatus A basketball practicing apparatus includes a frame, a support bracket mounted in the frame, a drive shaft rotatably mounted on the support bracket, a backboard mounted on the drive shaft to rotate in concert with the drive shaft, and a basket ring mounted on the bac... | 11/08/2011 |
| 8052110 | Telescopically adjustable support brace A telescopically adjustable support brace includes a first member and a second member operably moveable with respect to the first member in a telescopic manner. The first and second members are adapted to be positioned across two objects for maintaining a fixed dist... | 11/08/2011 |
| 8052015 | Holder apparatus adapted for gripping and operating a sprayer A holder apparatus includes a handhold formed on an end thereof for holding and a barrel section extending from another end thereof. A clamping section is formed from the front end of the barrel section opposite to the handhold and includes two jaw portions joined t... | 11/08/2011 |
| 8051885 | Operation device for quick and accurate control of working device of tenoner An operation device includes a connecting member mounted on and moved with a working device of a tenoner. A positioning mechanism is mounted on and moved with the connecting member and includes a tube mounted on the connecting member and adapted to be fixed at vario... | 11/08/2011 |
| 8051788 | Driving device for thread hooking mechanism for sewing machine A sewing machine includes upper and lower beams. A thread hooking mechanism is mounted in the lower beam. A needle plate base is mounted to an end of the lower beam. A transmission shaft rotatably extends in the lower beam and has an end extending into the needle pl... | 11/08/2011 |
| 8051689 | Cylindrical lock with automatic electronic locking function A cylindrical lock includes inner and outer chassis, inner and outer spindles, and first and second actuating members. One of the first and second actuating members is selectively and rotatably received in the outer spindle. Each of the first and second actuating me... | 11/08/2011 |
| 8051629 | Heat tunnel for film shrinking A heat tunnel for applying heated air to articles enclosed in shrink-wrap film includes at least one air supply unit; a conveyor; and a heat shroud spaced from the conveyor. The air supply unit includes a source of heated air, a fan, a heated air plenum, air ducts, ... | 11/08/2011 |
| 8051500 | Safety helmet visor setting mechanism A safety helmet visor setting mechanism includes a shell having a shaft base inside at each side, with one side provided with a shell base provided with an internal lodging space and with an external wall. A control mechanism, located at the right side of the shell,... | 11/08/2011 |
| 8051499 | Safety helmet visor setting mechanism A safety helmet visor setting mechanism includes a shell having an indent at each side and a long opening behind the indent at one side. An anchored unit fits in the long opening and has two grooves. A hold plate has two push chunks placed in the two grooves respect... | 11/08/2011 |
| D648253 | Vehicle floor mat | 11/08/2011 |
| 8051438 | Method for transporting discs, disc transporting device and drawer type disc transporting device thereof A method for transporting discs, A disc transporting device and a drawer type disc transporting device are disclosed. The disc transporting device comprises a lifting mechanism, a swing mechanism and a control element, wherein the lifting mechanism further comprises... | 11/01/2011 |
| 8049845 | Optical diffusion device An optical diffusion device applied in a backlight module includes a plate. Multiple light sources are disposed on one side of the plate. Multiple optical microstructures provided with a longer axis and a shorter axis are disposed on the plate. The longer axis of ea... | 11/01/2011 |
| 8047967 | Trampoline having a two-stage folding function A trampoline includes a support frame, two pivot mechanisms mounted on the support frame, a bed surrounded by the support frame and a plurality of elastic members biased between the support frame and the bed. The support frame includes a first side rail, a second si... | 11/01/2011 |
| 8047649 | Eyeglasses The invention relates to a pair of eyeglasses which include a lens stand and a pair of gaskets. Each gasket can be detachably connected to the lens stand. Each gasket has an inner edge that protrudes forwards to accommodate the lens. The degree of the curve of the l... | 11/01/2011 |
| 8047604 | Bicycle saddle A bicycle is provided with a saddle. The saddle includes a frame and a padding device. The frame includes a front tray and a rear tray. The padding device includes a front pad and two rear pads. The front pad is installed on the front tray. The rear pads are install... | 11/01/2011 |
| 8047549 | Magnetic fluid shaft-sealing device A magnetic fluid shaft-sealing device includes a seal cover (3) attached to a pump housing (1) in which a rotary shaft (2) is mounted. The seal cover (3) includes: a shaft hole (33) extending along an axis, an annular recess (36... | 11/01/2011 |
