Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8182226 | Built-in swing mechanism of rotary fan The present invention provides an improved built-in swing mechanism of a rotary fan. The mechanism includes a ball-and-socket support frame, arranged onto front wall of the main casing corresponding to the axle center of a drive motor and provided with a spherical s... | 05/22/2012 |
| 7997869 | Fan assembly having protective motor housing that accommodates cyclic movement A fan includes a frame and a motor having (i) a motor structure that is movable in relation to the frame in a path of movement, and (ii) an output shaft that is rotatable in relation to the motor structure. The fan further includes at least one fan blade coupled to ... | 08/16/2011 |
| 7811059 | Variable angle oscillating fan An adjusting mechanism for desired angle of an oscillating electric fan is disclosed. The adjusting knob is conveniently located about the top rear portion of the fan motor, adjacent the clutch knob. Adjusting the oscillating angle may be made when the fan is at res... | 10/12/2010 |
| 7771167 | Concealed rotary fan The concealed rotary fan includes a rotary vane, a drive motor and a base. The drive motor is assembled into the base. The first end of the drive motor with the revolving shaft can be assembled onto a front support in a rotary state. The second end of the drive moto... | 08/10/2010 |
| 7594798 | Outdoor high velocity wall and floor fans Outdoor high velocity wall and pedestal mounted fans, devices, apparatus, systems and methods of operation. The fans can have water resistant motor housings with at most one rear wall located opening for allowing a power cord to pass therethrough. The switches and p... | 09/29/2009 |
| 7455503 | Apparatus for oscillating a vane An apparatus for oscillating a vane comprising a main lever pivoted at one end about a reference axis, and pivotally coupled at the other end to the vane about a vane axis remote from the reference axis; an angle c... | 11/25/2008 |
| 7244179 | Suspension type oscillation mechanism A suspension type oscillation mechanism including a frame set having an upper frame with a frame hole, a casing secured to the frame set, a crank set, an axial barrel and a fastening rod. The crank set has cranks rotationally joining to each other and an end of the ... | 07/17/2007 |
| 7217098 | Tower fan assembly A fan assembly has a base portion having a fixed base, a blower portion that includes an oscillating blower mount that is operably coupled to the fixed base, and a blower that is coupled to the blower mount and which oscillates when the blower mount oscillates. The ... | 05/15/2007 |
| 7156616 | Combinative standing fan A combinative standing fan includes a vertical shaft fan, a first, and a second tubular cover. The first and the second tubular cover respectively consist of a front half cover and a rear half cove. The front half covers of the two tubular covers are provided with p... | 01/02/2007 |
| 7118323 | Vertical tower fan A portable, vertical tower fan capable of generating a vertically oriented exhaust air stream that conforms better to a user at an elevation above a support surface. The device includes an vertically elongated housing, an air blower assembly located within the elong... | 10/10/2006 |
| 7063537 | Rotatable assemblies and methods of securing such assemblies A rotatable assembly and a method to use the same are provided. In particular, the assembly includes a first field device housing arrangement associated with a first electrical system, and a second field device housing arrangement associated with a second electrical... | 06/20/2006 |
| 7052239 | Oscillating fan clutch The invention pertains to a clutch for an oscillating fan wherein the clutch may be preadjusted for producing various degrees of oscillation, but will automatically adjust to a lesser degree of oscillation if the fan movement is restrained due to the fan's encounter... | 05/30/2006 |
| 7052242 | Multi-fan assembly comprising a servomotor driven vertical oscillation means for each fan A multi-fan assembly includes: a down rod assembly having a first end for fixing to a ceiling wall and having a second end provided with a canopy, a rotary assembly being fixed to a lower end of the down rod assembly and covered by the canopy. At both sides of the r... | 05/30/2006 |
| 7011504 | Fan, fan guard and related method An assembly includes a fan housing that includes a casing and a stator disposed radially inward of the casing and adapted to receive a rotor assembly. Struts attach the stator to the casing. One or more of the struts may define a channel for routing one or more elec... | 03/14/2006 |
| 6997680 | Home comfort device The present invention is a space saving home comfort device comprising a housing and an air generator. A support member has a predetermined length and a base member has a maximum width dimension BB. A predetermined rise height R provides support and elevation to the... | 02/14/2006 |
| 6974560 | Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The airflow is subjected to UV radiation from a germicidal lamp within the device. The conditioner includes an ion generator that has an electrode ass... | 12/13/2005 |
| 6953556 | Air conditioner devices An air conditioner includes an ion generator that provides ions and safe amounts of ozone. The ion generator includes a high voltage generator that provides a voltage potential difference between first and second electrode arrays. At least one of the first and secon... | 10/11/2005 |
| 6953322 | Tower fan assembly A fan assembly has a base portion that remains stationary during the operation of the fan assembly, the base portion having a stationary base support plate. The assembly also includes a blower portion that includes an oscillating top plate, a blower that is coupled ... | 10/11/2005 |
| 6942456 | Home comfort appliance The present invention is a home comfort appliance comprising a housing and an air generator. A support member having a predetermined diameter B and a predetermined rise height R provides support and elevation to the housing. The housing is either fixedly or rotatabl... | 09/13/2005 |
| 6932579 | Ratchet assembly for electric fan A ratcheting mechanism for a fan having a base and a head assembly. The ratcheting mechanism has a pivot having a portion for coupling with the fan head assembly; a member disposed within a portion of the pivot; a extension portion having side walls spaced apart fro... | 08/23/2005 |
| 6913443 | Oscillating means for multi-fan assembly An oscillating arrangement for a multi-fan assembly includes a down rod assembly which is provided for connecting to a hanging assembly, on the hanging assembly is provided two sets of fixing arms which extend outwardly, two member fans are respectively mounted to t... | 07/05/2005 |
| 6911186 | Electro-kinetic air transporter and conditioner device with enhanced housing configuration and enhanced anti-microorganism capability An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The airflow is subjected to UV radiation from a germicidal lamp within the device. The conditioner includes an ion generator that has an electrode ass... | 06/28/2005 |
| 6883251 | Livestock cooling system A livestock cooling system creates an environment for protecting the health and productivity of animals, particularly dairy cows. One or more cooling fans are connected to programmable oscillation means, enabling the herds man to program fan oscillation according to... | 04/26/2005 |
| 6675739 | Livestock cooling system A livestock cooling system creates an environment for protecting the health and productivity of animals, particularly dairy cows. One or more cooling fans are connected to programmable oscillation means, enabling the herds man to program fan oscillation a... | 01/13/2004 |
| 6533548 | Multi-functional electric fan A multi-functional electric fan comprises a U-shaped brace pivotably mounted to motor, a support for supporting the brace, an arcuate guide mechanism hinged to the support, a transmission mechanism having a plurality of gears and an arm secured to a pin t... | 03/18/2003 |
| 6499951 | Fan head swinging device A fan head-swinging device includes a speed reducer and a DC motor. The speed reducer consists of plural gears engaging with each other. The DC motor is fixed behind a housing of a fan, having a spindle fixed on with a small gear engaging with one of the ... | 12/31/2002 |
| 6468036 | Adjustable crank of swinging mechanism An adjustable crank for adjusting the swinging-angle of a fan comprises a first and a second eccentric disks, the first disk is rotatablely inserted in the second disk, a ring-shape spring is disposed between the engaging surfaces of them to couple them w... | 10/22/2002 |
| 6171057 | Table electric fan A table electric fan comprising a stand, a protective net, a blade set fixed on a spindle of a motor, a speed reducer connected to the motor, a plate pivotally connected to the shaft of the speed reducer and further pivotally connected to a bottom base of... | 01/09/2001 |
| 6050790 | Electric waving fan with oscillating multi-direction fan vane element An electric waving fan includes a single air moving fan vane element, a motor for generating power, a transmission apparatus for converting the power to motion, and a power output assembly for moving the single fan vane element simultaneously in two direc... | 04/18/2000 |
| 6032547 | Swaying mechanism for electrical appliances A swaying mechanism is provided, which can be used on various kinds of electrical appliances that need to be swayed during use, such as electric fans, dryers, and heaters. The swaying mechanism can protect the motor from being burned out when the swaying ... | 03/07/2000 |
| 6015262 | Electric fan apparatus capable of blowing air in a desired orientation A fan apparatus includes a housing with front and rear parts and two swivel joints, a driving motor disposed in the housing, inner and outer annular members, a transmission member, and an anchoring member. The motor has a rear portion provided with a worm... | 01/18/2000 |
| 6000910 | Electric fan The present invention relates to an electric fan employing three impellers which are so implemented as to receive the driving force of the motor and, more particularly, to an electric fan equipped with the second crank device and the convex surfaced drivi... | 12/14/1999 |
| 5931056 | Fan device with adjustable rotary-angle A fan actuator device with an adjustable rotary angle having an upper connector rotated by a motor gear, a toggle mechanism formed by an upper connecting rod, a lower connecting rod and a coupling connector, a swinging arm connected to the coupling connec... | 08/03/1999 |
| 5800126 | Swinging head gear shell of an electric fan A swinging head gear shell for an electric fan is provided and includes a body and a cover respectively molded from reinforced engineering plastics. The body has a mounting plate for mounting with screws, a first open top chamber and a second open top cha... | 09/01/1998 |
| 5743709 | Oscillating window fan A portable electric window fan including a housing having side walls, a bottom wall for mounting on a sill of a window, a top wall for engaging a sash of the window, a front wall defining an air outlet, a rear wall defining an air inlet, and the walls tog... | 04/28/1998 |
| 5720594 | Fan oscillating in two axes A portable fan providing oscillation in two axes. Oscillation may occur simultaneously in two axes, or in one selected axis. Two oscillation mechanisms are provided, each having its own oscillation motor and each being selectively operable independent of ... | 02/24/1998 |
| 5658130 | Oscillating window fan A window mounted oscillating fan. The fan has two blower modules each having a motor, fan blade, and diffuser. The diffuser is fixed in a stationary position relative to its fan blade. The window fan oscillates by pivoting all blower modules simultaneousl... | 08/19/1997 |
| 5639213 | Swing structure of electric fan head A fan head swing mechanism comprises a swing shaft fastened with the fan head, a rotary plate, a connection rod, and a leg connection seat having a locating rod. The leg connection seat is fastened with the swing shaft. The rotary plate is driven by a mot... | 06/17/1997 |
| 5556256 | Swivel mechanism for an electrical fan An electrical fan having a positioning mechanism, driven by the rotation of the fan's motor, which causes the fan's head to simultaneously pivot sinusoidally and continuously about a pair of perpendicular axes to continuously redirect the airstream from t... | 09/17/1996 |
| 5554002 | Electric fan having two wind shifting modes An electric fan having unidirectional and opposed-directional wind shifting modes is disclosed. The wind shifter of the fan has a drive shaft and an output shaft set in a housing. A unidirectional rotating unit of the wind shifter has a first pinion and a... | 09/10/1996 |
