...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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.
| Number | Title | Issue Date |
| 8051571 | Hair clipper with blade assembly release A hair clipper includes a housing and a blade assembly coupled to the housing. The blade assembly is coupled to the housing at a cutting end and is movable between an operating position and an open position. The clipper also includes a release assembly including a r... | 11/08/2011 |
| 7762000 | Animal clipping and shearing apparatus According to the present invention there is provided head unit (10) for an animal shearing and clipping apparatus, the head unit (10) being configured to receive either a clipping comb and cutter arrangement (12, 14) or a shearing upper and lowe... | 07/27/2010 |
| 7407018 | Power working machine A hedge trimmer is provided which performs a trimming operation on a hedge. The hedge trimmer includes a machine body, a handle rotatably attached to the machine body, a throttle lever provided in the handle, a locking mechanism for preventing the handle from rotati... | 08/05/2008 |
| 7407015 | Safety mechanism for power tool and power tool incorporating such mechanism A safety mechanism for a hedge trimmer is disclosed. Thumb catches 1032, 1048, together with corresponding locking members are initially biased downwardly relative to corresponding actuator levers 1010, 1014, as a result of which actuation of a motor o... | 08/05/2008 |
| 7367409 | Latch mechanism for pivoting handle assembly of a power tool A latch mechanism for a power tool is disclosed, in which the power tool has a housing (3), a motor provided in the housing, an output shaft adapted to be caused by said motor to actuate a working member, and a handle assembly (2) adapted to pivot rela... | 05/06/2008 |
| 7360311 | Drive mechanism for power tool A drive mechanism for a power tool having a housing, a motor, and an output shaft moving in a reciprocating motion. The drive mechanism comprises a gear plate (34) adapted to rotate about a first axis (Z-Z) and having a plurality of elongate first teeth (3... | 04/22/2008 |
| 7346990 | Rotary motor clipper with linear drive system A hair clipper includes a motor with a rotary output shaft, a bladeset including a stationary blade and a moving blade configured for reciprocation relative to the stationary blade, a drive system configured for transferring motion from the output shaft to the blade... | 03/25/2008 |
| 7340839 | Hair clipper having moving lower blade Disclosed is a hair clipper having a moving lower blade, in which the lower blade moves so that upper and lower blades reciprocate in opposite directions and cross each other. In the hair clipper, an eccentric cam is connected to a rotary shaft of a motor installed ... | 03/11/2008 |
| 7293362 | Drill powered cable cutter A cable cutter for attachment to a power drill has a housing, first and second cutting blades connected to the housing for movement relative to one another and a drive assembly releasably engageable with the chuck of the drill and operatively engaged with at least o... | 11/13/2007 |
| 7290641 | Brake device for power tool A brake device for a power tool has a brake assembly, a bearing portion, a pinion and a gearbox. The brake assembly includes a brake base, a cover, a first throttle cable, a second throttle cable, a brake-activating block, a brake-guiding pillar, a brake band and a ... | 11/06/2007 |
| 7287331 | Power working machine A power working machine has a machine body, a drive source mounted on the machine body for driving a work implement connected to the machine body, and an operating handle mounted on the machine body for undergoing rotation relative to the machine body. A throttle le... | 10/30/2007 |
| 7275322 | Pivoting handle assembly for power tool There is disclosed a power tool comprising a housing (3), a motor provided in the housing and having a rotary output shaft, a reciprocating output shaft adapted to be caused by the motor to execute reciprocating motion to actuate a blade assembly, and a handl... | 10/02/2007 |
| 7251896 | Hair clipper with pivot head The clipper has a cylindrical housing including a handle containing a battery and motor and a head pivotally mounted on the handle. The head carries a stationary blade and a reciprocating blade. Motion is transmitted from the motor to the reciprocating blade through... | 08/07/2007 |
| 7239053 | Vibrator motor A vibrator motor has a stationary piece and a moving piece hinged at one end. The moving piece does not generate substantial internal spring forces under the influence of an electromagnetic field, because it does not have a tail bracket. Other parts of conventional ... | 07/03/2007 |
| 7204025 | Hand-operated tool with handle The invention relates to a hand-operated tool with handle (1) with a handle section (2) on the user side and with a foot section (3) arranged on the bottom side of the handle section (2) and with a detachable one-piece upper handle shell ... | 04/17/2007 |
| 7178244 | Powered utility knife A powered utility knife has a housing defining a handle surface and an internal cavity. A shuttle plate assembly disposed for movement relative to the internal cavity, with a first surface in sliding engagement with an interior wall of the cavity includes a motor mo... | 02/20/2007 |
| 7178248 | Power tool A power tool (10) comprises a main body (12) having a motor driven tool (24) extending from a first front end of the main body, and has a first handle (18) integrally formed on the main body to be remote from this front end. A second supp... | 02/20/2007 |
| 7162804 | Safety device for a trimmer A hedge trimmer has a working part with a cutting tool and a drive and further has guide part with a guide rod that has a drive connection for connecting a drive motor to the drive of the working part. The working part is pivotable relative to the guide part. A safe... | 01/16/2007 |
| 7159322 | Power working machine A power working machine has a machine body, trimming blades attached to the machine body and drivable by a drive source, an operating handle rotatably mounted on the machine body, a throttle lever disposed on the operating handle, and a throttle lock lever disposed ... | 01/09/2007 |
| 7155830 | Portable working machine A portable working machine has a motive power source for producing a rotational motion, a cutting blade mounted to undergo linear reciprocating motion, and a reduction mechanism for reducing a speed of the rotational motion produced by the motive power source. A mot... | 01/02/2007 |
| 7107691 | Electric knife adapted for safely carving pumpkins and other fruits and vegetables According to one embodiment of the present invention, an electric knife is provided that includes a blade that is adapted to cut the pulp and shell of pumpkins and other fruits and vegetables but not readily cut the skin and flesh of humans. According to a preferred... | 09/19/2006 |
| 7103980 | Integrated shaver and hair trimmer device with adjustable handle An integrated shaver and hair trimmer device with an adjustable handle includes a shaver and trimmer assembly with a shaver/trimmer head including one or more cutting blade assemblies and an elongated handle assembly connected to the shaver and trimmer assembly. The... | 09/12/2006 |
| 7093365 | Heavy duty drill shear attachment Drill shear attachment clamps for a shear attachment with shear blades connected to a chuck of a portable drill includes left and right rails extending from and secured to the left housing side of the shear attachment along the drill body to a point beyond the rear ... | 08/22/2006 |
| 7080458 | Ceramic movable blades for blade sets of hair clippers A blade set for a hair clipper including a movable blade constructed of ceramic. The movable blade includes an upper surface having a pair of integrally formed upper reinforcing protrusions. The upper reinforcing protrusions are disposed adjacent to a drive notch si... | 07/25/2006 |
| 7047649 | Power cord for a hand-held electrical device A hand-held electrical device having a power cord that provides enhanced retainment of the power cord to a receptacle of the hand-held electrical device during operation of the hand-held electrical device. The power cord includes an enlarged tip portion that provide... | 05/23/2006 |
| 6986206 | Hair clipping device with rotating bladeset having multiple cutting edges A hair clipping device includes a housing, a bladeset engageable upon the housing and including at least one stationary blade and at least one moving blade configured for reciprocal movement relative to the at least one stationary blade. The stationary blade has a f... | 01/17/2006 |
| 6957490 | Drive system for beard and mustache trimmer By providing a beard and mustache trimmer construction wherein a single motor driven element is employed for directly operating both the main cutting blades as well as a pop-up trimmer, an easily employed, efficient, beard and mustache trimmer is realized. The trimm... | 10/25/2005 |
| 6901664 | Hair clipper and seal A seal for sealing a gap defined between a blade assembly and a housing of a clipper has a sealing portion and a base portion. The sealing portion has a blade engaging side and a housing engaging side. At least one projection extends upwards from the housing engagin... | 06/07/2005 |
| 6862810 | Hair-trimmer with releasable cutting head A hair trimmer having a clip, a releasable cutting head, and a release button operable to release the cutting head from an operating position to an open position when actuated by an operator of the hair trimmer. The clip selectively retains the cutting head in the o... | 03/08/2005 |
| 6826837 | Vented sleeve for power cords A sleeve for surrounding a power cord, in whole or in part, for appliances such as hedge trimmers. The sleeve, preferably composed of a lightweight polymeric material in corrugated, convoluted, or similar form, has relatively large radial dimensions compared to the ... | 12/07/2004 |
| 6735873 | Guide tube assembly for a portable handheld work apparatus The invention is directed to a guide tube assembly for a portable handheld work apparatus with a drive motor (3) mounted at one end (2) of the guide tube (1). The drive motor (3) is connected to a work tool (6) mounted at one end (... | 05/18/2004 |
| 6711823 | Personal care apparatus with a noise protection cap A personal care apparatus (1) with a housing (2) and with apparatus parts (6) for treating body parts of a person, which apparatus parts (6) are provided in a head region (5) of the personal care apparatus (1), is fitted in ... | 03/30/2004 |
| 6701622 | Handle mounting arrangement for a power tool An arrangement for mounting a handle to a power tool housing includes a first mounting portion defined by the housing and a second mounting portion defined by an end of the handle. The first mounting portion includes a plurality of projections extending l... | 03/09/2004 |
| 6684511 | Hair clipping device with rotating bladeset having multiple cutting edges A hair clipping device includes a housing, a bladeset engageable upon the housing and including at least one stationary blade and at least one moving blade configured for reciprocal movement relative to the at least one stationary blade. The stationary bl... | 02/03/2004 |
| 6658740 | Blade assembly for a vibrator motor A blade assembly for an electric hair cutter that includes a stationary blade and a cutting blade, where the cutting blade is configured for reciprocating arcuate motion relative to the stationary blade. The stationary blade includes a plurality of statio... | 12/09/2003 |
| 6427337 | Hair cutting device A hair cutting device for providing the user with greater control when trimming around person's neck, ears, and forehead. The hair cutting device includes an elongate housing having a front end and a back end; and also includes a cutting assembly includin... | 08/06/2002 |
| 6421922 | Power driven hair clipper The invention is directed to a power driven hair clipper (HSM), comprising a drive mechanism provided in a housing (1) and a clipper head (S) equipped with a clipper comb (3) and a reciprocating clipper blade (4, 82), wherein provision is made for a foil ... | 07/23/2002 |
| 6314648 | Dual blade hair clipper A hair clipper unit that includes edger blades on one end and taper blades on the other end. The clipper system allows a stylist to rapidly switch operation between the two sets of clipper blades and includes a power cord directing assembly including a po... | 11/13/2001 |
| 6240967 | Sleeve assembly for protecting conducting wires against damage by cutting implements A protective sleeve assembly for preventing damage to a power cord providing alternating voltage and current to an electric cutting implement during the inadvertent contact between the edge of the blade assembly of the cutting implement and the power cord... | 06/05/2001 |
| 6105252 | Razor assembly including detachable and vibratable head Disclosed herein is a razor assembly comprising a power unit including a rotatable output shaft, and a detachable head assembly adapted to receive a common disposable razor blade and comprising a hollow base received on the power unit in stationary relati... | 08/22/2000 |