Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7644569 | Welded hand rake/fork tool with welded tine and method A rake, pitchfork, or similar forked hand tool or tool head for mechanized machinery has welded tines. The tines each have a lower section located on the backbone of the tool head and a working section extending outwardly from the backbone. Each tine also has two la... | 01/12/2010 |
| 7350348 | Fixed tine leaf rake A fixed tine leaf rake having a plurality of tines connected to a brace, by a plurality of crimps with each crimp being about two millimeters or less in diameter. A curved tine support bar that has a plurality of openings fastened to the plurality of tines such that... | 04/01/2008 |
| 7331470 | Magnetic rake with release mechanism A magnetic raking device that agitates a ground surface and uses magnetic attraction for collecting ferro-metallic debris, such as nails and screws, at construction jobsites and other locations, includes a release mechanism that temporarily eliminates magnetic attra... | 02/19/2008 |
| 7299614 | Collapsible rake A novel rake minimally consists of: at least two tine frames, each tine frame having a plurality of tines coupled thereto; a tine frame coupling for coupling to proximal ends of each of the tine frames; pivot mechanisms coupled between the tine frames and the tine f... | 11/27/2007 |
| 7118203 | Peristaltic pump An occlusion for use in a peristaltic pump includes independently movable occlusion fingers. The fingers are integrally formed as a single unitary body. ... | 10/10/2006 |
| 7096824 | Rake for self-cleaning pet litter apparatus A rake for a cat litter box for collecting clumped litter waste material from within the cat litter box includes a support member. A plurality of tines are connected to the support member. Each of the plurality of tines includes a first section connected to and exte... | 08/29/2006 |
| 6983584 | Gardening rake with improved structure A gardening rake includes a grip, extended poles and rake head, of which the extended poles are provided at one end of the grip. The rake heads are mounted at the end of the extended poles and constructed of several spaced talons. The talons of rake heads are design... | 01/10/2006 |
| 6761021 | Sand rake A sand rake for grooming sand comprising a head portion having a lead edge and a drag edge; a handle extending from the head portion at an acute angle in the direction of the lead edge; a tine assembly having a plurality of tines and extending downwardly from the he... | 07/13/2004 |
| 6748728 | Rake systems and methods for removing underwater vegetation A rake system for removing underwater vegetation comprising a plate assembly, a handle assembly, and a line. The plate assembly comprises first and second engaging members each defining an engaging edge. The handle assembly is attached to the plate assembly. The lin... | 06/15/2004 |
| 6715275 | Hay rake twin tooth with continuous camber and lost-motion activation and a rake wheel using the same A twin rake tooth includes a shank and working arc within each tooth which cooperate with ordinary rake wheels having rims. The shank within each tooth may have a slight camber which serves to stiffen the tooth against normal operational forces, but which allows the... | 04/06/2004 |
| 6695370 | Golf ball retrieval device and method A golf ball retriever includes a plate member with spaced apart tear shaped tines each having a leading edge and an opposing trailing edge, and a surface spaced apart from an opposing surface of an adjacent tine a distance greater than the diameter of a g... | 02/24/2004 |
| 6640531 | Rake A rake having a plurality of rake assemblies, each having a loop portion on the rear end thereof and a tooth portion on the front thereof. The loop portion has a predetermined thickness corresponding to openings in a rake head. A projection on the rear si... | 11/04/2003 |
| 6474056 | Lawn rake having replacement tines secured to rake body by pegs A lawn rake includes a number of tines attached onto a rake member, and a single presser bar disposed across the tines and secured to the rake member for easily and quickly securing the tines to the rake member. A number of seats are formed on the rake me... | 11/05/2002 |
| 6467432 | Poultry house litter implement A tractor-drawn implement for breaking up caked litter on the floor of a poultry house includes a stationary blade which passes beneath the surface of the litter and a rotary rake whose tines are flattened and are inclined at an oblique angle to radial pl... | 10/22/2002 |
| 6427431 | Lawn rake having replacement tines A lawn rake includes a number of tines attached onto a rake member, and a single presser bar disposed across the tines and secured to the rake member for easily and quickly securing the tines to the rake member. A number of seats are formed on the rake me... | 08/06/2002 |
| 6131381 | Lawn rake and cross head assembly A lawn rake (100) has a cross head assembly (130) attached to a handle (120). A truncated tee (150) mounted on the cross arm (145) of the cross head assembly (130) receives the handle (120). A plurality of tines (170) is carried by the cross arm (145). Th... | 10/17/2000 |
| 6052982 | Playing field grooming rake A durable rake specifically designed for grooming playing fields, such as baseball diamonds. The rake may be used to scarify, compact and smooth infield playing surfaces, such as base lines, pitcher's mounds and home plate areas. The rake includes a rigid... | 04/25/2000 |
| 5937473 | Intake clearing tool for jet-powered aquatic vehicles An intake clearing tool for jet-powered aquatic vehicles has an elongated handle portion, attachment means at one end for receiving a complementary attachable finger-type rake head and a handle grip at the opposite end. The handle grip end is adapted to r... | 08/17/1999 |
| 5934057 | Continuous tine rake A lawn or garden rake for gathering leaves, grass clippings, twigs, etc. has a handle, a socket with retaining elements for fastening to the handle and flaring crimpable retaining elements for retaining a number of continuous paired tines. Each paired tin... | 08/10/1999 |
| 5927057 | Rake for golf course bunkers A rake for sand golf course bunkers having an egg-shaped head shape, a row of tines extending outward from one surface of the head, each of which taper from a wide oval shape at the surface of the rake head to a round tip, and a ridge on the opposite surf... | 07/27/1999 |
| 5901540 | Garden tool for collection and removal of debris A garden tool that includes a rake and a shovel rake for picking up and placing fallen leaves, twigs, branches, grass clippings, and other debris into a transport container such as a wheelbarrow, garbage bag, or trash can. The rake has prongs pointing in ... | 05/11/1999 |
| 5775080 | Rake for removing weeds with intact roots A rake (10) for removing weeds (12) with intact roots (14) from the soil (16) comprising an elongate handle (18). A spine (20) has a plurality of tines (22) extending therefrom. A structure (24) is provided for attaching the spine (20) traversely to the e... | 07/07/1998 |
| 5758480 | Farming and gardening tools with two sets of tines A tool comprising a tubular head having closed ends with an axially enlarge central extend and with an enlarged annular central region with a fixed abutment surface, a plurality of radially extending male threads formed in the head adjacent to the abutmen... | 06/02/1998 |
| 5715668 | Self-adjustable rake for overflow grates A rake, in which its tines are inserted and moved between the parallel, uniformly spaced, bars of a grating for debris removal. The rake includes a base and plurality of equally spaced parallel tines forming blades integrally moulded with the base out of ... | 02/10/1998 |
| 5605034 | Sand-trap rake with an extruded head A rake (140) includes an elongated head (142) and an elongated handle (144). The elongated head (142) includes a white-metal extruded head blank (148) with a tooth-blanking flange (154) and a handle-attaching flange (158). A plurality of rake teeth (186) ... | 02/25/1997 |
| 5546739 | Radial rake device A turf care implement includes a frame mounted on a pair of opposed wheels. The frame supports a pair of lift arms which are mounted at an angle to the direction of travel of the implement. The lift arms support a plurality of rakes on mounting arms. The ... | 08/20/1996 |
| 5544476 | Sand-trap rake with oppositely-angled teeth A rake (10), for smoothing sand surfaces (18A and 18B) in response to pulling the rake (10) along a longitudinal axis (22), includes an elongated head (26) that is disposed transversely to the longitudinal axis (22), and that includes first (52A) and seco... | 08/13/1996 |
| 5522209 | Lawn rake and rake head An array of tines are connected to and extend out from a rake head support bar at right angles thereto and are connected thereto in two sets with shank portions of a first set of tines disposed in a first plane and shank portions of a second set of tines ... | 06/04/1996 |
| 5511370 | Double rake An improved rake head consisting of multiple tines attached to a rake support member with each tine having two prongs. When the tines of the rake are flexed during use, both prongs on each tine make firm contact with the ground. The firm contact of each p... | 04/30/1996 |
| 5509259 | Lawn debris rake and collection device An array of tines are carried by a frame assembly so that the tines of the tine array are spaced one from the other across the assembly and so that ends of alternate tines form two rows of tine ends. The frame assembly is made of hollow pipe rods connecte... | 04/23/1996 |
| 5490374 | Plant puller The plant puller is a hook attached at one end of a pole or handle. The hook is used to grip a plant to be pulled from the soil. While a standard circular hook may be used, a tapered hook which causes a compression of the plant as it is drawn into the tap... | 02/13/1996 |
| 5467590 | Raking tool A raking tool comprises an elongated handle and a rake head mounted to a distal end of the handle. The rake head includes a support plate with a plurality of integral tines extending therefrom in mutually diverging directions between first and second edge... | 11/21/1995 |
| 5440869 | Weed removal rakes A weed removal rake comprising: a blade in a generally planar rectangular configuration with an upper region, a lower region, a central region therebetween, the upper region including a hollow handle retainer extending rearwardly therefrom, the lower regi... | 08/15/1995 |
| 5431001 | Mechanical rake for clearing, mowing, levelling, raking grasses and plants A rake having a handle at one end of which a housing is mounted containing a drive mechanism actuated by a motor. The drive mechanism reciprocates a cutting blade having a cutting plane parallel to the surface being worked and which blade includes a plura... | 07/11/1995 |
| 5271213 | Tine for harvester A tine for agricultural harvesters such as supported on a rotating component for conveying stalks with the tine being a one piece structure having a leg or tine portion and a supporting base or eyelet portion, the tine receives a lateral load from one sid... | 12/21/1993 |
| 5241812 | Rake tine construction A spring tine rake having a plurality of raking tines formed from a flat resilient material with the upper portions thereof mounted in fixed relation on a handle and having a 90 degree twist therein to orient the lower blade portions of the tines in an up... | 09/07/1993 |
| 5179825 | Sand rake A rake is disclosed herein for smoothing and contouring sand which includes an elongated base having a centrally located handle normal to the base and a plurality of rake teeth in a row outwardly projecting from the base in a staggered relationship from o... | 01/19/1993 |
| 5177946 | Rake A rake having multiple rows of tines in alternating rows alternate in a lateral position and are spaced from each other sidewise. In a preferred embodiment, the rows of tines are so spaced that the tines of one row are individually offset with respect to ... | 01/12/1993 |
| 5177947 | Rake A rake has a handle shaft, and a fork portion including a flat head and a plurality of prongs. The flat head has a plurality of spaced longitudinally extending grooves and groove-confining ridges, and a plate member transversely extending over the groove-... | 01/12/1993 |
| 5161360 | Gentle rake A head for a rake has a fan-shaped body with a plurality of fingers radiating from an attachment to a rake handle. The individual fingers have three portions: a base portion, a middle portion and a tip portion. The base portion of each finger is generally... | 11/10/1992 |
