"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7186192 | Ball return system A ball return apparatus includes a base, a substantially vertical pole extending from the base, an extensible tether extending from the pole, and a ball connected to the tether. The preferred base has a hollow interior and a closure so that the base can be filled wi... | 03/06/2007 |
| D535371 | Dehumidifier | 01/16/2007 |
| D524691 | Illuminated planter | 07/11/2006 |
| 6971819 | Electrically conductive pavement mixture An electrically conductive paving system that has enhanced conductivity of the conductive graphite/asphalt layer. This is achieved by incorporating into the paving mixture a blend of two naturally occurring crystalline flake graphites, one being coarse (generally la... | 12/06/2005 |
| D511934 | Portable fire pit | 11/29/2005 |
| 6928954 | Automatic pet waterer A pet watering system which includes a refillable reservoir for holding water. A base is provided that holds the reservoir and receives water therefrom. Secured to the front of the base is a bowl which receives water from the base. A pump circulates water between th... | 08/16/2005 |
| 6757146 | Instantaneous overcurrent element for heavily saturated current in a power system The instantaneous overcurrent element, used in a microprocessor-based protective relay for a power system, includes a finite impulse response filter which generally is a cosine filter and is responsive to the current waveform from the current transformer for fault d... | 06/29/2004 |
| 6655961 | Modified dental implant fixture A modified dental implant fixture designed to preserve lingual bone by having the coronal aspect of the implant being compatible with bony anatomy that is higher on the lingual side of the implant surgical site. The implant may be of either the single sta... | 12/02/2003 |
| 6648144 | Collapsible ballot box A collapsible ballot box for collecting ballots from an electronic ballot tabulating machine includes a base assembly, and front and rear support assemblies pivotally attached to the front and rear ends of the base assembly. The three assemblies are folda... | 11/18/2003 |
| 6517536 | Transmural ablation device and method A method and apparatus for transmural ablation using an instrument containing two electrodes or cryogenic probes. A clamping force is exerted on the two electrodes or probes such that the tissue of the hollow organ is clamped therebetween. Bipolar RF ener... | 02/11/2003 |
| 6482172 | Flow-by channel catheter and method of use A vascular catheter assembly includes an over-the-wire stent deployment catheter and a flow-by-channel assembly. The stent deployment catheter is positioned just below the occluded artery in accordance with standard procedures. The flow-by-channel then sh... | 11/19/2002 |
| 6468792 | Process and device for culturing and/or treating cells A device and method for culturing and/or treating cells is provided. The device comprises a first cell chamber on a gas-permeable carrier and has at least one supply and/or discharge line as well as a frame. The cell chamber is formed by a first film that... | 10/22/2002 |
| 6469464 | Automatic safety garage door closer An automatic door operating safety system particularly used with garage doors is provided. A security timer for a powered overhead garage door causes the door to close after it has been opened for a predetermined time interval. Before timeout, the system ... | 10/22/2002 |
| 6454257 | Article jogging apparatus An article jogging apparatus for the lateral straightening of sheet material located on a conveyor includes a pair of vertically opposed timing belts. One belt being adjustable per product width as well as stream throat. The other belt oscillating between... | 09/24/2002 |
| 6454510 | Livestock unloading system A livestock unloading system for unloading livestock from a storage unit of a transport vehicle to a processing plant or storage facility. The unloading system includes a conveyor system whereby livestock ride from the storage unit to their destination. T... | 09/24/2002 |
| 6443643 | Ergonomic keyboard An ergonomic keyboard having a mount and a plurality of keys arranged in a plurality of unbroken adjacent rows is provided. Each row is comprised of an arcuate portion, a left portion, and a right portion. The left and right portions extend tangentially f... | 09/03/2002 |
| 6429661 | Fault indicator for three-phase sheathed cable A fault indicator for three phase sheathed cables includes a flexible collar unit which fits over the cable. Magnetic pole pieces within the collar unit having associated magnetic windings are aligned with the three conductors within the cable to produce ... | 08/06/2002 |
| 6406215 | Positive connection between a pipe and a ring inserted into the pipe A positive connection between a pipe and a ring inserted into the pipe, in particular between the housing of a ram boring device and a stop ring inserted into the housing, wherein the inside wall of the pipe has a convex groove consisting of a section of ... | 06/18/2002 |
| 6391029 | Bipolar electrosurgical scissors Bipolar electrosurgical scissors are disclosed having a pair of blades joined for relative movement in a scissor-like action between open and closed positions. The blades comprise a tissue contacting surface and first and second spaced apart electrodes ex... | 05/21/2002 |
| 6350264 | Bipolar electrosurgical scissors Bipolar electrosurgical scissors are disclosed having a pair of blades joined for relative movement in a scissor-like action between open and closed positions. At least one of the blades comprises a tissue contacting surface and first and second spaced ap... | 02/26/2002 |
| 6343399 | Contact lens treatment apparatus A self-contained single-use apparatus for cleaning and hydrating a pair of contact lenses comprises a housing including a pair of hollow snap-lock lens containers in which opposed layers of a deformable relatively hydrophobic reactive material having surf... | 02/05/2002 |
| 6315667 | System for remote control of a model airplane A system for remote control of a model airplane or similar by an operator has the following characteristics: an image-capturing device which is fitted to the model airplane; a device which is visible to the operator, to display the image information which... | 11/13/2001 |
| 6293150 | Motion sensor and method of making same A motion sensor for monitoring the activity of a body in motion includes a pair of force detecting sensors capable of detecting both magnitude and direction of an applied force. These sensors are configured to enable translational or rotational motion res... | 09/25/2001 |
| 6192542 | Sweeper conveyor overflow and leakage recycling ramp A wheel supported sweeping machine includes a hopper which is movable between operating and non-operating positions and a conveyor which is adjacent the hopper and is similarly movable between a lower operating position and a raised non-operating position... | 02/27/2001 |
| 6134736 | Contact lens treatment apparatus A self-contained single-use apparatus for cleaning and hydrating a pair of contact lenses comprises a housing including a pair of hollow snap-lock lens containers in which opposed layers of a deformable relatively hydrophobic reactive material having surf... | 10/24/2000 |
| 6133724 | Remote light indication fault indicator with a timed reset circuit and a manual reset circuit A fault indicator contained within a protective equipment closure of the type used to house pad-mounted components of a power distribution system detects the occurrence of a fault current in a monitored conductor and provides a light indication thereof. T... | 10/17/2000 |
| 6067934 | Convertible butterfly and bird feeder A feeder for butterflies, moths and birds. The feeder includes a top which can form a crawling insect guard for the feeder, and the feeder may be hung by a hanging ring. The feeder also includes a grid defining a first set of openings and a second set of ... | 05/30/2000 |
| 6054168 | Citrus products incorporating pulp processing Citrus products are provided which incorporate components from pulp material separated from a citrus juice source. The invention is especially beneficial in connection with grapefruit sources. Naringin or other bitterant levels are reduced substantially i... | 04/25/2000 |
| 6054167 | Pelletized shortening A pelletized shortening is prepared by a process which includes melting, cooling, solidifying and extruding natural and/or synthetic shortening materials to provide shortening pellets or chunks which, without requiring further processing, resist clumping ... | 04/25/2000 |
| 6004280 | Guiding sheath having three-dimensional distal end A guiding catheter, including a specialized guiding catheter referred to as a guiding sheath, has a uniquely curved three-dimensional distal end portion. This distal end portion has a two-dimensional turn of less than a full circle, which turn includes bo... | 12/21/1999 |
| 5993883 | Sweet dough mix A sweet dough dry mix is provided which incorporates highly viscous carboxymethyl cellulose in combination with hard wheat flour. When used to make up a sweet dough, the resulting dough exhibits enhanced handling when compared with similar formulations wh... | 11/30/1999 |
| 5979650 | Easily removed sleeve and bulk containers and method incorporating same An easily removed sleeve is provided for use within bulk containers of viscous product such as fruit fillings and fruit chunks. The sleeve has an open bottom and an inside surface which, when used, is positioned between the product and the sidewall of the... | 11/09/1999 |