The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120037468 | SHOCK ABSORBER A shock absorber includes a cylinder, at least two magnetic blocks, and a connection rod. The cylinder includes a first end, an opposite second end defining a slide hole, and absorption particles are filled in the slide hole. The at least two magnetic blocks are fit in ... | 02/16/2012 |
| 20110255967 | ACTIVE FORCE GENERATION/ISOLATION SYSTEM EMPLOYING MAGNETO RHEOLOGICAL FLUID (MRF) A system for reducing vibrations in a rotating system uses a variable viscosity medium that is redistributed in a housing connected to the rotating system. Specifically, the medium is responsive to a control signal that is generated as a function of rotational speed of ... | 10/20/2011 |
| 20110214954 | ELECTROMAGNETIC TYPE RETARDER An electromagnetic type retarder comprises a main portion consisting of a stator having a plurality of magnetic coils arranged along a circle and spaced apart from one another, and of a steel rotor surrounding the stator and rotated according to the rotation of a tire; ... | 09/08/2011 |
| 20110147146 | ENHANCED DAMPING USING CRYOGENIC COOLING A damping apparatus is disclosed having at least one magnet, a conducting member movable relative to the magnet, a cryogenic fluid, and a channel that confines the cryogenic fluid in contact with the conducting member. The cryogenic fluid may maintain the conducting mem... | 06/23/2011 |
| 20110127128 | FREQUENCY TUNABLE MAGNETIC DAMPING APPARATUS A damping apparatus is disclosed comprising at least one pair of magnets and a conducting member. The at least one pair of magnets define a gap therebetween. The conducting member is coupled to a payload and positioned within the gap. The conducting member is configured... | 06/02/2011 |
| 20100294603 | BRAKE WITH FIELD RESPONSIVE MATERIAL A controllable brake with a shaft having an axis of rotation and a shaft end. The controllable brake including a controllable brake rotor connected with the shaft, the rotor having a rotation plane. The controllable brake includes a controllable brake magnetic field gen... | 11/25/2010 |
| 20100200343 | ELECTROMAGNETIC SHOCK ABSORBER FOR VEHICLE An electromagnetic absorber (10) for a vehicle including (a) a threaded rod (78) which is disposed on one of a sprung portion and an unsprung portion and which has a threaded groove (76) formed in its outer circumferential portion and an axial groov... | 08/12/2010 |
| 20100152978 | Machine Employing Cab Mounts and Method for Controlling Cab Mounts to Maintain Snubbing Height and Provide Mount Diagnostics A machine employing controllable mounts and a method for controlling such mounts to maintain ideal snubbing height and provide mount diagnostics are disclosed. The controllable mount may include a housing, a pin, rheological fluid within the housing and coils provided p... | 06/17/2010 |
| 20100148463 | Mechatronic suspension system and method for shock absorbing thereof The invention provides a mechatronic suspension system and a method for shock absorbing thereof. The invention applies the analogies between mechanical and electronic networks to propose a mechatronic suspension system, which combines a ball-screw inerter and a permanen... | 06/17/2010 |
| 20100133049 | Magnetic stabilizer for material handling equipment A stabilizer for material handling equipment, includes a base mount for mounting to the material handling equipment, a main frame pivotally attached to the base mount, and a release lever and magnet housing pivotally mounted to the main frame. A biasing element holds th... | 06/03/2010 |
| 20100122881 | SYSTEM COMPRISING MAGNETICALLY ACTUATED MOTION CONTROL DEVICE A system that includes a magnetically actuated motion control device comprising a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on eit... | 05/20/2010 |
| 20090301829 | METHOD FOR USING AN ELECTROMAGNETIC RETARDER A method for using an electromagnetic retarder of the type that comprises a current generator. The method relates to an electromagnetic retarder including a stator bearing the primary coils (8) of a current generator and a rotary shaft (7) bearing the seco... | 12/10/2009 |
| 20090236192 | SHOCK ABSORBER The shock absorber includes N magnets arranged such that like poles of adjacent magnets face each other to generate repulsive force, where N is an integer of at least 2; and a magnet holder that accommodates the N magnets such that a distance between the adjacent magnet... | 09/24/2009 |
| 20090223758 | Fluid shock absorber A shock absorber (D1) comprises a ring-shaped seal member (3) supported by a cylinder (1) so as to cause a tip to contact the piston rod (2) resiliently. A ring-shaped actuator (4a) exerts an inward force on the outer circumfere... | 09/10/2009 |
| 20090219050 | METHOD FOR DETECTING A MALFUNCTION IN AN ELECTROMAGNETIC RETARDER A method for detecting a malfunction in an electromagnetic retarder. More specifically, the method relates to a retarder comprising: stator primary coils (8); a control unit (19) for injecting a current into the primary coils (8), the current having... | 09/03/2009 |
| 20090178892 | Method and Device for Damping Vibrations The invention relates to a method for damping vibrations on chassis bearings of motor vehicles, and a device for implementing the process. A process and a device are to be presented with which outstanding vibration damping and vibration isolation and noise insulation ca... | 07/16/2009 |
| 20090152060 | MAGNETIC RESISTOR CONTROL ASSEMBLY A magnetic resistor control assembly for a body training machine comprises a main shaft; a rotor, a stator, an adjusting unit, a sliding block set and a controller. An inner disk and an outer disk clamp of the stator clamping the adjusting unit. The sliding block set ha... | 06/18/2009 |
| 20090120745 | DAMPER A damper (D) comprises a screw shaft (1), a screw nut (4) threadably and rotatably engaged with the screw shaft (1), a motor (M) having a rotor (R) connected to the screw nut (4), and a detent mechanism (5) for making the screw shaft (... | 05/14/2009 |
| 20090095584 | DAMPER A damper is comprised of an actuator (A) connected to a sprung member (B) side of a vehicle, the actuator (A) including a motion converting mechanism (T) for transforming a linear motion into a rotational motion and a motor (M) to which the rotational motion resulting f... | 04/16/2009 |
| 20090020381 | VIBRATION ISOLATORS AND ISOLATION SYSTEMS In an embodiment, and by way of example only, a vibration isolator is used for coupling between a payload and a base and includes a rod, a magnetic damper, a first spring, and a second spring. The magnetic damper includes a movable section and stationary section. The mo... | 01/22/2009 |
| 20080257667 | Device For Decoupling an Attachment From a Moving Machine Element The invention relates to a device for decoupling an attachment (7a, 7b, 7c, 7d) from a moving machine element (4) of a machine tool, production machine or of a robot. In order to carry out the decoupling, th... | 10/23/2008 |
| 20080190876 | Suspension-Type Storage Unit A suspension-type storage unit that is particularly well suited for storing works of art or other hanging items in a space-efficient manner The storage unit includes a number of features that enable the storage unit to be moved between retracted and extended positions w... | 08/14/2008 |
| 20080150458 | Adjustable brake device The invention relates to an adjustable brake device that can be used in conjunction with a hinge mechanism of a folding electronic device, e.g. a clamshell mobile phone. The adjustable brake device comprises a brake actuator that is able to generate a braking force resp... | 06/26/2008 |
| 20080135361 | SYSTEM OF SMART COLLOIDAL DAMPERS WITH CONTROLLABLE DAMPING CURVES USING MAGNETIC FIELD AND METHOD OF USING THE SAME An apparatus includes a damper, a source of magnetic field coupled to the damper, a colloidal ferro-fluidic damping medium disposed in the damper, a sensor installed on the host structure to measure vibrations, and a vibration control circuit. The output of the sensor i... | 06/12/2008 |
| 20080105503 | AXIAL ROTARY EDDY CURRENT BRAKE WITH SELF-ADJUSTABLE BRAKING FORCE An axial rotary eddy current brake with self adjustable braking force includes two spaced apart support structures defining a gap therebetween, at least two permanent magnets opposingly disposed in said gap and supported by the support structure in a spaced apart relati... | 05/08/2008 |
| 20080067019 | Magnetorheological damper A magnetorheological (MR) damper includes a damper tube, a movable non-MR damper piston, and a non-movable MR damper piston. The damper tube has substantially hermetically separated first and second chambers, wherein the first chamber contains a non-MR fluid and the sec... | 03/20/2008 |
| 20070295568 | Electromagnetic Retarder Comprising Means Ensuring Ventilation A retarder (100) including a stator (170) and/or a housing (102) surrounding or encasing a rotor (101), a mechanism (140-142) for producing an air current and at least one inlet (120) enabling air current to enter and at ... | 12/27/2007 |
| 20070267258 | Device for lifting a hatch pivotable around a pivot axis Apparatus for lifting a hatch which can pivot around a pivot axis, especially a hatch of a motor vehicle, by means of a piston-cylinder unit. The piston-cylinder unit has a closed cylinder filled with a pressurized fluid, the interior of the cylinder 6 being divi... | 11/22/2007 |
| 20070199780 | Method for adjusting a braking torque and permanently excited magnetic hysteresis brake A permanently excited magnetic hysteresis brake (1) comprises a support roller (7) rotatable about a fixed axle (9), a magnetic element (3), a hysteresis element (2) and an adjusting device for adjusting the position of the magnetic el... | 08/30/2007 |
| 20070181391 | BRAKE WITH FIELD RESPONSIVE MATERIAL A controllable brake includes a housing and a rotor supported on a shaft. The rotor is housed within a chamber containing a field controllable material which is acted upon by a magnetic field generator to impede movement of the rotor. The shaft is supported by bearings.... | 08/09/2007 |
| 20070175716 | Shock absorber generator A car's shock absorber equipped for a generator produces electrical power and charges a hybrid car's battery, making use of the up-and-down vibration of a running car's shock absorbers. A shock absorber generator equips induction coils inside shock absorber's cylinder c... | 08/02/2007 |
| 20070170024 | Electromagnetic damper control device An electromagnetic damper control device including a first member containing a magnet, and a second member containing a solenoid combined to permit relative rotation. The relative rotation of the first and second members induces an electromagnetic force in a solenoid th... | 07/26/2007 |
| 20070144843 | MR-fluid hydraulic mount An MR-fluid (magnetorheological-fluid) hydraulic mount includes a hydraulic-mount partition plate assembly and an electric coil. The partition plate assembly has a longitudinal axis, has first and second sides, and has an MR-fluid through orifice extending substantially... | 06/28/2007 |
| 20070144842 | Vibration control system A variable damper with a low off-state, having an outer member including a magnetic sleeve and an inner shaft, between which is supported an electromagnet. Magnetorheological fluid is inserted between the members and a flow path is established over a control region betw... | 06/28/2007 |
| 20070045068 | Damping device having controllable resistive force A damper assembly is provided including a linear to rotary motion conversion mechanism having an outer tube member. An inner tube member is reciprocally movable and at least partially disposed within the outer tube member. The inner tube member is adapted for linear tra... | 03/01/2007 |
| 20070039791 | Device for amplitude-dependent damper A vibration damper providing amplitude-dependent damping for motor vehicles includes a first damping device including a piston rod which is disposed in a damping tube so as to be moveable in an oscillating manner and which supports a damping piston which divides the int... | 02/22/2007 |
| 20070023244 | System comprising magnetically actuated motion control device A system that includes a magnetically actuated motion control device comprising a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on eit... | 02/01/2007 |
| 20070000741 | Axial rotary eddy current brake with adjustable braking force The present invention relates to an axial adjustable, rotary brake device using eddy current resistance, having an annular rotating conductive reaction member fastened on a central axle, having a frame, and fitted with permanent magnets disposed on either one side or bo... | 01/04/2007 |
| 20060278480 | Rotational coupling device A rotational coupling device for use as a clutch and/or brake is provided having improved magnetic efficiency and structural integrity. A field shell and a rotor of the device each define radially spaced, axially extending inner and outer poles. The inner pole of the ro... | 12/14/2006 |
| 20060260891 | Magnetorheological piston assembly and damper A magnetorheological (MR) piston assembly includes an MR piston, a rod, and a guide member. The guide member includes an MR fluid passageway and is attached to at least one of the piston and rod. A perimeter of a projection of the guide member onto a plane perpendicular... | 11/23/2006 |