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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.
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| Number | Title | Issue Date |
| 8176593 | Drain cleaning apparatus with electronic cable monitoring system A drain cleaning machine with an electronic cable monitoring system is disclosed which comprises a frame supporting a rotatable drum which is driven by a motor through an endless belt. The drum contains a flexible drain cleaning cable which is rotatable with the dru... | 05/15/2012 |
| 8060968 | Variable belt tensioner for drain cleaning devices An assembly for adjusting belt tension in a drain cleaning device is disclosed. The assembly includes an idler pulley assembly in which a pivotable idler pulley is urged against a belt by a tensioned spring. The tensile force exerted by the spring can be adjusted or... | 11/22/2011 |
| 8046862 | Drain cleaning apparatus with electronic cable counter A drain cleaning machine with an electronic cable counter is disclosed which is of the character comprising a frame supporting a rotatable drum which is driven by a motor through an endless belt. The drum contains a flexible drain cleaning snake which is rotatable w... | 11/01/2011 |
| 7891038 | Sewer cleaning machine Disclosed herein is an improved rotary drain cleaning machine having an improved support structure that prevents walking of the machine when in use. The machine is supported upon two rear mounted wheels and a forward pedestal. ... | 02/22/2011 |
| 7810203 | Drain cleaning apparatus An improved drain cleaning assembly (10) is provided having a coupling apparatus (18) designed to mate with the open end of a clogged drainpipe (12), an elongated, powered, axially-rotatable drain cable (16) passing through the apparatus ... | 10/12/2010 |
| 7757332 | Sewer cleaning machine Disclosed herein is an improved rotary drain cleaning machine having an improved support structure that prevents walking of the machine when in use. The machine is supported upon two rear mounted wheels and a forward pedestal. ... | 07/20/2010 |
| 7685669 | Feed control device for plumbing tools A snake feeding device comprises a base having opposite ends, an actuator pivotally mounted on the base, and first and second sets of drive rolls spaced apart in the direction between ends of the base. Each set includes a roll on the base and two rolls on the actuat... | 03/30/2010 |
| 7676879 | Battery-powered sewer and drain cleaner A battery-powered sewer and drain cleaner comprising a frame, a rotatable drum mounted on the frame which has a flexible plumber's snake associated therewith, a DC motor mounted on the frame for driving the drum and a rechargeable battery mounted on the frame for po... | 03/16/2010 |
| 7478451 | Feed control device for plumbing tools A snake feeding device comprises a base having opposite ends, an actuator pivotally mounted on the base, and first and second sets of drive rolls spaced apart in the direction between ends of the base. Each set includes a roll on the base and two rolls on the actuat... | 01/20/2009 |
| 7367077 | Drain cleaning apparatus Drain cleaning apparatus comprises a housing in which a drain cleaning cable is coiled and from which the cable is displaced for introducing an outer end of the cable into a drain to be cleaned. The housing is stationary and the cable is rotated about its axis relat... | 05/06/2008 |
| 7322259 | Safety cycle pedal A cycle pedal includes a pedal body mounted to rotate about a pedal spindle, a front hoop having a front attachment bar situated in front of the pedal spindle and substantially parallel to the spindle, and a rear hoop having a rear attachment bar situated behind the... | 01/29/2008 |
| 7316404 | Drill/driver chuck A drill/driver chuck has a cylindrical member (2) with a central axial bore (4). A plurality of further bores (6) slanted with respect to the axis of the cylindrical member (4). A jaw actuator (10) is coupled to each jaw (8)... | 01/08/2008 |
| 7299519 | Combination toilet plunger and brush A tool for both plunging and cleaning plumbing fixtures and drains includes a handle and a plunger and a cleaning brush both coupled to the same end of the handle. The plunger is moveable between an extended position in which it covers a majority of the brush, and a... | 11/27/2007 |
| 7290425 | Gripping apparatus and method A quick change gripping apparatus for gripping a workpiece having a profile. The apparatus includes a cylindrical housing having a first end and a second end. The cylindrical housing also includes an inner feature having a tapered wall. The housing also has a bottom... | 11/06/2007 |
| 7269874 | Cleaning device for cleaning ducts and pipes A cleaning device 100 for cleaning a generally elongated duct or pipe, including: a housing 120 having a front end 124 and a rear end 126; an inner-drum 300 having a front end 340, a rear end 360, a sidewall 380 | 09/18/2007 |
| 7246398 | Apparatus and method for removing an object from a drain An apparatus and method for removing an object from a drain for includes a pair of arms each having a first end, a second end, a medial portion, a first side and a second side. Each of the first sides is convexly curved. A pivot member extends between and is pivotal... | 07/24/2007 |
| 7243390 | Cleaning unit for optical connector and cleaning tool for optical connector A join end face of an optical connector is easily and reliably cleaned when the optical connector has been inserted into a connector housing, by using an optical connector cleaning unit comprising a cleaning member which wipes clean a join end face of an optical con... | 07/17/2007 |
| 7222383 | Torque limiting drive pulley for a belt driven drain cleaning machine A belt driving pulley, as typically used in a belt driven, drum-type drain cleaning machine and/or any other belt driven machinery, is disclosed wherein slippage between the pulley and the motor drive shaft occurs if a predetermined resisting torque is applied to th... | 05/29/2007 |
| 7195230 | Optical fibre feed arrangement The present invention concerns a procedure and a system for feeding optical fiber cables into a pipeline with the help of an installation device at adjustable speed. In order to prevent damage during the advancement of the optical fiber cable the engine (15) ... | 03/27/2007 |
| 7178212 | Device and method for the blasting treatment of channel inner walls Device for carrying out a blasting treatment of the inner wall of a channel with a stream of balls which, for treating curved channels, has a tube for introducing the stream of balls into a channel, a stream deflection and outlet device at the end of the tube on the... | 02/20/2007 |
| 7178534 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. Modular subassemblies are concentrically aligned and mounted to rotate in synchrony and direct a high-pressure water h... | 02/20/2007 |
| 7146674 | Rotary probe for cleaning an internal cavity Foreign material is dislodged from a hard to reach region of an object by passing a rigid elongated tubular guide in close proximity to the hard to reach region. The upper tip of the guide is bent so that it can be directed at the hard to reach region and a wire is ... | 12/12/2006 |
| 7073224 | Telescopic polygon radial drive coupling for a drain cleaning machine A coupling assembly for a portable drain cleaning machine includes a polygonal adapter mounted to a motor output shaft through a threaded interface. A polygon adapter threads over the motor output shaft in a locked male/female relationship to transmit rotation there... | 07/11/2006 |
| 7069761 | Gripping apparatus and method A quick change gripping apparatus for gripping a workpiece having a profile. The apparatus includes a cylindrical housing having a first end and a second end. The cylindrical housing also includes an inner feature having a tapered wall. The housing also has a bottom... | 07/04/2006 |
| 7055203 | Tube cleaning machine A tube cleaning machine for industrial smooth bore tubes and enhanced tubes in which the machine includes a rotary brush with means for selecting brush rotary speed for optimum cleaning of the smooth bore and enhanced tubes, and in which the machine includes a water... | 06/06/2006 |
| 7051737 | Mucus shaving apparatus for endotracheal tubes An endotracheal tube cleaning apparatus 10 which can be periodically inserted into the inside of an endotracheal tube 30 to shave away mucus deposits. In a preferred embodiment, this cleaning apparatus 10 comprises a flexible central tube 12 | 05/30/2006 |
| 7052554 | Spring shaft for pipe cleaning apparatus A spring shaft (1) for cleaning pipelines consists of a coil spring (2) with windings (3, 3a, 3b, 3c) of spring steel and with a rotation axis (RA) and a spiral winding axis (WA). In order to give the spring sh... | 05/30/2006 |
| 7040331 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. The assembly includes a number of subassemblies that are concentrically aligned and mounted to rotate in synchrony and... | 05/09/2006 |
| 7020924 | Static stabilizers for bridges An adjustable static stabilizer used to ameliorate shock loading. The static stabilizer has a housing forming a chamber and an upwardly-open cylindrical carrier moveably mounted in the chamber. A plurality of spring washers are mounted in the carrier, and a shoe cap... | 04/04/2006 |
| 6939411 | Method and tool for cleaning a watercraft speedometer A method and tool for cleaning a watercraft speedometer are disclosed. The tool comprises a body, an extraction tip extending therefrom, and at least one edge on the extraction tip that can catch matter in the cavity. The extraction tip is attached to the body and i... | 09/06/2005 |
| 6929624 | Intravenous catheter housing with retractable needle A catheter housing assembly having a housing, a needle assembly with a rigid portion and a flexible portion, a recoil device positioned in an interior area of the housing for coiling the flexible portion of the needle assembly therearound, and a trigger connected to... | 08/16/2005 |
| 6920663 | Tool for removing hair from a basin drain A tool for removing hair and other debris from a basin drain is disclosed. The tool comprises a shaft having a first end and a second end and a mid-section. The first shaft end forms a handle and the second shaft end forms a hook. A method of using the tool is also ... | 07/26/2005 |
| 6910361 | Coupling device A coupling device for releaseably securing together two objects. The coupling device comprises a first housing securable to a first object, a second housing securable to a second object, and an actuator secured to the first housing. The second housing has a hollow b... | 06/28/2005 |
| 6908267 | Variable radii cutter A variable radii cutter which eliminates the need for having to provide a wide assortment of cutting tool bits for continuously imparting various sizes of radii on a workpiece is disclosed. In one embodiment, the variable radii cutter has a cutter in the form of a p... | 06/21/2005 |
| 6898807 | Snake plunger This invention relates to a drain plunger that snakes clogged drains at the same time that the drains are being plunged. The “snake plunger” includes a pleated bellows forming a head section which is removably coupled to a handle. Further, in one embodiment, the... | 05/31/2005 |
| 6775873 | Apparatus for removing hair from a drain An apparatus for removing hair from a drain consists of an elongate, flexible strip with an attached handle. A number of barbed portions are dispersed along the length of the flexible strip, with the barbed portions alternating along the two sides of the strip. The ... | 08/17/2004 |
| 6760948 | Snap latch drum release for a drain cleaning machine A snap latch drum release assembly includes a multiple of latches which engage the inner diameter of a plate spaced away from a rotary drum to lock and unlock the rotary drum of a drain cleaning machine without the need for tools. As the latches engage a plate on th... | 07/13/2004 |
| 6655228 | Dual directional power feed The present invention discloses a dual directional power feed for use with handheld drills or stationary frame mounted power sources. The device comprises a housing, two pairs of wheel bearings rotatably mounted to the housing, a cap rotatably mounted to ... | 12/02/2003 |
| 6637064 | Drain cleaning apparatus with remotely adjustable feed control A drain cleaning apparatus has a remotely adjustable cable feed control. The drain cleaning apparatus includes a rotatable cable drum that carries a drain cleaning cable. Also included is a cable advancing mechanism. The cable is adapted to pass from the ... | 10/28/2003 |
| 6618891 | Rotary drum release for a drain cleaning machine A rotary drum release assembly includes a multiple of lock pins which engage a rotary drum shaft to lock and unlock a rotary drum to a drain cleaning machine without the need for tools. The rotary drum release assembly is mounted within a support frame as... | 09/16/2003 |
