Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 8181352 | Scalpel with removable blade assembly A surgical blade device similar to a disposable scalpel wherein the blade assembly is easily replaceable is provided. The surgical blade device allows the user to replace a blade assembly during surgery or, after sterilization of the handle and replacement of the bl... | 05/22/2012 |
| 8156653 | Safety scalpel with blade retention A surgical scalpel is presented which combines the attributes of cost-effectiveness in design and safety of single use scalpel devices and the ability to be autoclavable so as to promote the device as a multiple use device as well. The design of the device is such a... | 04/17/2012 |
| 8136251 | Hand tool A hand tool includes a holder and a movable head portion to which a blade body is secured. The movable head portion is supported by the holder in a manner movable relative to the holder between an accommodated state Q, in which the movable head portion is accommodat... | 03/20/2012 |
| 8069571 | Spring back safety and film cutter A cutter apparatus includes a housing shaped to be hand-held, a slider configured to support a front blade, the slider being mechanically coupled to the housing and configured to be moved longitudinally along the housing, and a blade guard mechanically coupled to th... | 12/06/2011 |
| 8056241 | Utility cutter A utility cutter includes a housing, a blade and blade shuttle, a blade trigger, and a trigger lock. The blade and blade shuttle are enclosed within the housing in a retracted position. The blade is extended from the housing in an extended position. The blade trigge... | 11/15/2011 |
| 8028421 | Multi-tasking utility tool A utility tool comprising a body having a first end and a second end positioned on opposite ends of the body; a removable device; as well as a first tool and a second tool configured to be selectively coupled to each other or one of either the first end and second e... | 10/04/2011 |
| 8028420 | Sliding cutting tool A novel utility knife in which the parts for securing and replacing the cutting blade are selectively movable in and out of the handle of the knife via a single track system. The blade is secured through a series of elastic metal sheets, one of which contains a proj... | 10/04/2011 |
| 8015712 | Safety scalpel A safety scalpel that incorporates a reusable metal scalpel handle similar in shape and feel to the conventional metal handle preferred by most surgeons, and a disposable blade cartridge that covers the blade before, during and after use, and is easily mounted and r... | 09/13/2011 |
| 8006389 | Pocket safety cutter Pocket safety cutter devices include ergonomic blade housing and handle portions adapted to be safely folded together into compact closed configurations. ... | 08/30/2011 |
| 7987602 | Safety cutter apparatus A cutter apparatus includes a housing, multiple tools mechanically coupled to the housing, at least one of the tools including a cutting device, and a slider and lock wheel mechanically coupled to the housing and configured to selectively release only one of the too... | 08/02/2011 |
| 7930829 | Compact utility knife A compact utility knife includes a blade holder slidably connected to a handle. A trapezoidal utility blade detachably mounts to the blade holder via a blade lock mechanism. A slide lock mechanism selectively retains the blade holder in its extended or retracted pos... | 04/26/2011 |
| 7900362 | Miniature disposable safety scalpel A disposable safety scalpel comprises a handle and a blade carrier, which fit together such that the blade carrier can shift between a retracted position whereby a front portion of the handle covers or otherwise blocks contact with the sharp edge of the blade, and a... | 03/08/2011 |
| 7891098 | Knife with repeating actuation A knife is described that is capable of extending a blade from a front end of the blade, and subsequently retracting the blade into the body of the knife. Actuation of the blade from extended to retracted conditions is accomplished by way of an actuation element loc... | 02/22/2011 |
| 7886445 | Cutting implement with cartridge A utility knife has a receiving cavity which opens through the body. A cartridge comprising a magazine of blades is removably insertable into the receiving cavity. A carrier within the body is manually operable for receiving a blade from the cartridge and positionin... | 02/15/2011 |
| 7797836 | Compact utility knife A compact utility knife includes a blade holder slidably connected to a handle. A trapezoidal utility blade detachably mounts to the blade holder via a blade lock mechanism. A slide lock mechanism selectively retains the blade holder in its extended or retracted pos... | 09/21/2010 |
| 7797837 | Carpenter knife with locking means A carpenter knife with locking member having a handle having a left shell and a right shell coupled together, a slit defined in the left shell, a stage formed rounding the slit; a knob being roughly of oval shape and having a central opening; a blade having a cuttin... | 09/21/2010 |
| 7797838 | Retractable blade knife with opening assisted mechanism A retractable blade knife with an opening assisted mechanism has a handle, a blade mounted in the handle, an extending assembly mounted between the blade and the handle. At least one detent formed at a spine edge of the blade. The extending assembly has a positionin... | 09/21/2010 |
| 7784189 | Knife Disclosed is a knife comprising a housing (11) with a blade fixture (12) which can be moved translationally in the longitudinal direction (x) of the housing within a receiving duct (A) of the housing (11). The blade fixture (12) accommoda... | 08/31/2010 |
| 7774942 | Utility knife A utility knife includes a handle, a blade assembly secured to the handle, a blade cover mechanically coupled to the handle facilitating manipulability of the blade cover to an extended position over the blade assembly, and a slider that is repositionable along the ... | 08/17/2010 |
| 7774941 | Multi-tasking utility tool A multi-tasking utility tool comprising a body; a knife compartment coupled to the body, wherein the knife compartment contains a cutting tool, the cutting tool configured to extend out from the knife compartment; and a cartridge unit coupled to the body, the cartri... | 08/17/2010 |
| 7774943 | Knife A knife comprises a body, a feed blade store, a return blade store, a feed path along which a blade can be fed from the feed blade store to an operative position, and from the operative position to the return blade store, and control means operable to ensure that a ... | 08/17/2010 |
| 7765701 | Safety cutter knife In the safety cutter knife provided, a blade slide holding a blade is rotated in the direction nearly perpendicular to the longitudinal center line of the housing of the cutter knife by virtue of a reaction force from a work material when the cutting edge of the bla... | 08/03/2010 |
| 7694422 | Utility knife A knife which has a body with a blade head at one end and roller at the other end. The blade head also has a planar first guide cheek and planar second guide cheek. positioned at an angle, alpha relative to the blade which is received between the first and second gu... | 04/13/2010 |
| 7673391 | Multi-tasking utility tool A utility tool comprising a body having a first and a second end position on opposite ends of the body; a removable device; as well as a first tool and a second tool configured to be selectively coupled to each other or one of either the first end and second end of ... | 03/09/2010 |
| 7647702 | Utility knife A utility knife for use with a replaceable flat blade, has an elongated housing having a longitudinally extending guide open at the front end, a longitudinally extending and transversely open slot, and a longitudinally extending holding face directed transversely op... | 01/19/2010 |
| 7621051 | Utility knife A utility knife having a casing, a blade holder moveably mounted within the casing, the blade holder is moveable incrementally from a fully extended position outside the casing to a fully retracted position inside the casing so that the blade holder may be positione... | 11/24/2009 |
| 7603779 | Double ended knife A utility knife and a method of using a utility knife. The utility knife including a first blade coupled to a linkage and movably positioned within the housing between a first blade fully-retracted position wherein all of the first blade is positioned within the hou... | 10/20/2009 |
| 7596868 | Knife The present blade device invention comprises an elongated housing wherein the housing comprises forward and rearward end portions and wherein the forward end portion defines an opening. The invention further comprises a blade holder moveable along a length of the ho... | 10/06/2009 |
| 7596869 | Knife A blade holding device comprising a housing and a blade holder positioned within the housing wherein the blade holder is movable in a direction along a length of the housing. The device also comprises an actuator positioned within the housing and associated with the... | 10/06/2009 |
| 7574804 | Knife with sliding blade and disengageable deployment mechanism A knife assembly includes a handle having a blade cavity and a deployment slot extending longitudinally in the handle. A blade is slidably positioned within the blade cavity, and is slidable between a retracted position, in which the blade is wholly enclosed within ... | 08/18/2009 |
| 7562455 | Automatic opening and closing knife An out-the-front automatic knife incorporates dual locking and release mechanisms that define a three-point blade-handle interconnection between the blade and the handle when the blade is locked in the open position. A single trigger is operable to automatically ope... | 07/21/2009 |
| 7540092 | Utility knife A utility knife has an elongated housing having a pair of opposite side faces and a rear edge and formed with a longitudinal guide passage open at an end of the housing, respective side cutouts on the side faces, and a back cutout on the rear edge. A blade holder lo... | 06/02/2009 |
| 7533467 | Utility knife blade A utility knife has a disposable blade cartridge in its handle that has front and rear blade compartments. Each compartment is sized to store a plurality of blades in side-by-side relation. Fresh blades are disposed in the front compartment and one end of each is ad... | 05/19/2009 |
| 7520059 | Compact utility knife A compact utility knife includes a blade holder slidably connected to a handle. A trapezoidal utility blade detachably mounts to the blade holder via a blade lock mechanism. A slide lock mechanism selectively retains the blade holder in its extended or retracted pos... | 04/21/2009 |
| 7516550 | Saw tool A tool is provided into which a saw blade can be mounted and removed therefrom. The tool includes a housing have a groove therein. An attachment assembly is mounted in the groove and can be slid within the groove. The attachment assembly includes a first part, a sec... | 04/14/2009 |
| 7434317 | Slide assembly device for a snap-off blade utility knife A utility knife includes a body having a groove adapted to receive a blade. The groove has a plurality of tabs defined on at least a first side. The utility knife also includes a slide assembly device positioned in the body for sliding movement with respect to the b... | 10/14/2008 |
| 7418784 | Utility knife A utility knife has a blade cartridge that has front and rear blade compartments. Each compartment stores a plurality of blades. Fresh blades are disposed in the front compartment and are advanced one at a time out of the compartment by a carrier that is controlled ... | 09/02/2008 |
| 7415915 | Cutting system having an interchangeable rotary blade cartridge A cutting system that includes a rotary blade cartridge that can be interchangeably used with a variety of cutting tools is disclosed. The cartridge houses a rotary blade assembly that is maintained in a secure and safe retracted state and that can be activated when... | 08/26/2008 |
| 7395600 | Utility knife A utility knife has a disposable blade cartridge in its handle that has front and rear blade compartments. Each compartment is sized to hold a plurality of blades in side-by-side relation. Fresh blades are disposed in the front compartment and one end of each is adv... | 07/08/2008 |
| 7389587 | Utility knife A utility knife which includes a feature for presenting a user with a replacement blade holder containing replacement blades when the separate halves of the knife body, referred to as handle portions, are opened to expose an interior cavity is disc losed. A pivotabl... | 06/24/2008 |
