...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8087469 | Post and drainage hole digger The Post and Drainage Hole Digger is designed to manually dig shallow holes in the earth for posts or deeper holes for drainage or shallow wells. It is a modification of an existing device called an earth anchor used for anchoring situations such as storage sheds an... | 01/03/2012 |
| 7900710 | Power cup cutter There is provided an improved, simple and effective, powered hole-cutting apparatus, otherwise referred to as a power cup cutter, comprised of a USGA approved cutting cylinder modified with an internal plunger and an elongated threaded rod, whereby the cutting cylin... | 03/08/2011 |
| 7874374 | Turf aerator tine A tine for a turf aerator comprises a hollow, generally cylindrical tine having a lower section that first contacts the ground as the tine is driven into the ground with the lower section having an open bottom mouth. The tine includes an aeration core exit. A core c... | 01/25/2011 |
| 7743840 | Lawn aerating device In accordance with the present invention an aerating device for attachment to a self-propelled lawnmower is provided. The device comprises a frame having a proximal end, a distal end, and a pair of sides extending between the proximal end and the distal end. An axle... | 06/29/2010 |
| 7743841 | Aeration device A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 06/29/2010 |
| 7717188 | Soil aerator A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling... | 05/18/2010 |
| 7669667 | Aerator with assembled multi-part crankshaft A walk aerator comprises a frame supported by a plurality of ground engaging wheels, the frame carrying a coring head having a plurality of side-by-side tine assemblies. The wheels define a wheelbase which is substantially equal to or less than the width of a coring... | 03/02/2010 |
| 7640994 | Arcuate aeration tine A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 01/05/2010 |
| 7600573 | Tine holder for turf aerator A tine holder for holding a plurality of aerator tines has a plurality of substantially vertical, tapered bores. A tapered collar is adapted to be received in each bore with the collar being split so that the collar contracts as the collar is slid into the bore. The... | 10/13/2009 |
| 7575064 | Soil aeration device A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling... | 08/18/2009 |
| 7575063 | Aerating a ground surface Certain embodiments of the invention include an aerator that provides a shifting means adapted to alter the path of the aeration tines so that they do not impact the ground surface, the shifting being effected without lifting the entire aerator from the ground surfa... | 08/18/2009 |
| 7487842 | Turf aerator A safety mechanism for a turf aerator having a frame and an engine with a governor that generally prevents the turf aerator from operating at full power unless the safety mechanism is engaged. A blocking mechanism and a manual actuation device are mounted to the fra... | 02/10/2009 |
| 7472759 | Aerator with shortened coring head depth A walk aerator comprises a frame supported by a plurality of ground engaging wheels, the frame carrying a coring head having a plurality of side-by-side tine assemblies. The wheels define a wheelbase which is substantially equal to or less than the width of a coring... | 01/06/2009 |
| 7451831 | Soil aerator A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling... | 11/18/2008 |
| 7438136 | Aeration device A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 10/21/2008 |
| 7353892 | Guide frame for an earth drilling apparatus A guide frame (1) for an earth drilling apparatus includes a support plate (6) for holding the drive unit (7) and a handle frame (2) having handle sections (17, 18) for holding and guiding the earth drilling apparatus. Operator-con... | 04/08/2008 |
| 7341114 | Turf aerator A safety mechanism for a turf aerator having a frame and an engine with a governor that generally prevents the turf aerator from operating at full power unless the safety mechanism is engaged. A blocking mechanism and a manual actuation device are mounted to the fra... | 03/11/2008 |
| 7341115 | Soil aerator assembly In certain embodiments a soil aerator may include a hinged frame assembly that cooperates with one or more weight transferring systems adapted to permit an aeration subassembly to lift off the ground when an aeration tine impacts a hard obstacle such as a rock in th... | 03/11/2008 |
| 7322177 | Machine for gathering ground strewn articles A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having device for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having d... | 01/29/2008 |
| 7293612 | Walk aerator with ground following coring head A walk aerator comprises a frame supported by a plurality of ground engaging wheels, the frame carrying a coring head having a plurality of side-by-side tine assemblies. The wheels define a wheelbase which is substantially equal to or less than the width of a coring... | 11/13/2007 |
| 7290619 | Soil aeration device A soil aeration apparatus may include aeration tines that are actuated by a relatively compact gear system that reduces the size and weight of the apparatus. In addition, a soil aeration apparatus may operate without a centrally disposed support shaft, thus enabling... | 11/06/2007 |
| 7267181 | Cultivating device A cultivator for aerating a ground surface. The cultivator has a support frame moveable relative to the ground surface and a follower first pivotally connected to the support frame by a first pair of spaced link arms. The link arms have two pairs of equidistantly sp... | 09/11/2007 |
| 7255016 | Soil sampler apparatus and method An apparatus removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly (60) that rotates on a track (32) riding on a plurality of idler wheels (29, 31). A probe (66) extends and retracts under... | 08/14/2007 |
| 7234535 | Apparatus for turf aerification A novel drill for the aerification of turf grasses is disclosed. The drill comprises a chuck and a fluted turf drill bit held by the chuck. The chuck includes a locking mechanism which permits the chuck to rotate freely about its longitudinal axis when loaded in com... | 06/26/2007 |
| 7210539 | Hole trimmer A hole trimmer (10) for removing peripheral material projecting inside a hole (1), including a severing mechanism (11) with first (14) and second (15) opposing cutting surfaces, configured such that the first cutting surface (14... | 05/01/2007 |
| 7204317 | Aerating a ground surface Certain embodiments of the invention include an aerator that provides a shifting means adapted to alter the path of the aeration tines so that they do not impact the ground surface, the shifting being effected without lifting the entire aerator from the ground surfa... | 04/17/2007 |
| 7198114 | Turf maintenance device for aeration and vertical cutting of soil A turf maintenance device for the aeration and vertical cutting of soil, including a conventional aerator, a vertical cutting device mounted to the aerator, operatively connected to a power source such that the aerator and vertical cutting device may be operated ind... | 04/03/2007 |
| 7198113 | Hole cutter and method for using same A hole cutter includes a frame and first and second blade halves moveably mounted with respect to the frame. The blade halves are first driven into the ground and then are lifted upwardly out of the new hole with as ground plug therebetween. A lift flange engages bo... | 04/03/2007 |
| 7163067 | Ground maintenance apparatus A ground maintenance apparatus which may be used for slicing, scarifying, dethatching and mowing of grass or turf is disclosed. The apparatus may also be used for sweeping and vacuuming of turf, and is particularly directed at ground or turf aeration apparatus. ... | 01/16/2007 |
| 7152691 | Arcuate aeration tine A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 12/26/2006 |
| 7150238 | Bulber with dirt release mechanism A handheld bulber for use in planting and gardening is disclosed. The bulber has a rigid steel inverted conical frustum body of at least two opposing and slightly overlapping sidewall members pivotably joined together and a handle attached opposite a serrated cuttin... | 12/19/2006 |
| 7128166 | Planting tool A planting tool having a handle, an auger receiver and a basket. The auger receiver has an upper opening and a lower opening. The auger receiver is attached to the handle. The auger receiver is adapted to receive an auger. The basket has an upper opening and a lower... | 10/31/2006 |
| 7121356 | Tools and methods for retrieving buried coins and other treasure A “sod saver” tool for digging to acquire an object buried in the ground, and a non-metallic scraping tool utilized when carefully examining the soil. The sod saver tool includes a main cylindrical body rotated about its longitudinal axis for digging a substanti... | 10/17/2006 |
| 7117804 | Seeding apparatus A seeding apparatus plants seed in the ground with a minimum soil disturbance. A base plate is provided which is supported for sliding movement along the ground and which includes a plurality of seed apertures formed therein. A metering system meters seed from a see... | 10/10/2006 |
| 7117954 | Weed puller A weed puller that comprises a plurality of prongs positioned about an axis, an anvil plate, and a moveable mass adapted to be driven into the anvil plate so as to transmit a force through the anvil plate to the prongs where the force has a substantial component in ... | 10/10/2006 |
| 7100702 | Turf aerator A turf aerator is provided with three aligned aerator shafts having aerator devices mounted thereon. The innermost shaft is mounted in a frame for free-willing operation and the two outer shafts are each connected to a motor through selectively controlled hydraulic ... | 09/05/2006 |
| 7096968 | Aeration device A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 08/29/2006 |
| 7096969 | Walk aerator with inboard wheels A walk aerator comprises a frame supported by a plurality of ground engaging wheels, the frame carrying a coring head having a plurality of side-by-side tine assemblies. The wheels define a wheelbase which is substantially equal to or less than the width of a coring... | 08/29/2006 |
| 7077215 | Trap rake steering travel limiter A sand trap rake having a frame, a pair of rear wheels supporting the frame, a single front wheel supporting the frame, and a steering system operably interconnecting the steering wheel to the single front wheel. A grading device is coupled to the frame and is raise... | 07/18/2006 |
| 7070005 | Soil aerator assembly In certain embodiments a soil aerator may include a hinged frame assembly that cooperates with one or more weight transferring systems adapted to permit an aeration subassembly to lift off the ground when an aeration tine impacts a hard obstacle such as a rock in th... | 07/04/2006 |