Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
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 |
| 7108075 | Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an... | 09/19/2006 |
| 7104339 | Automatically engaging coupler with flexible shaft for a seeding machine An agricultural seeding machine, includes a seed hopper, a first frame member carrying a drive shaft, a second frame member carrying a driven shaft, a coupler, and a flexible shaft. The first frame member and the second frame member are foldable relative to each oth... | 09/12/2006 |
| 6926091 | Counter-rotating twin shaft system for gardening machines A gardening/landscaping utility machine having a counter-rotating twin shaft system that can perform multiple types of work required for gardening/landscaping, including tilling, trench-edging, weeding, brush cutting, snow removal and lawn mowing. These processes ca... | 08/09/2005 |
| 6253535 | Finger rollers for agricultural implements A finger roller for an agricultural implement has a shaft with a non-circular cross-section. Two or more finger disks are pushed onto the shaft in the axial direction of the shaft. The finger disks each have a hub with a central opening having an inner co... | 07/03/2001 |
| 4499747 | Power driven disc cultivator apparatus A power driven disc cultivator apparatus includes a main frame to which are connected a main sub-frame assembly and at least one second sub-frame assembly. The main sub-frame assembly mounts a shaft provided with spaced cultivator discs which are constrai... | 02/19/1985 |
| 4450915 | Self-propelled disk harrow A self-propelled disk harrow apparatus having four gangs of disc members attached thereto which are rotated to propel the disk harrow and to thereby till the soil. Wheels are provided for allowing the disk harrow to travel on public roads and to aid in pr... | 05/29/1984 |
| 4174756 | Self-propelled disk harrow machine A self propelled disk harrow having four gangs of disc members attached thereto which are rotated to propel the disk harrow and to thereby till the soil. Wheels are provided for allowing the disk harrow to travel on public roads and to aid in propelling t... | 11/20/1979 |
| 4117788 | Seed drill including discs driven by ground wheel drive Seed sowing apparatus comprising a plurality of ground-engaging discs arranged in staggered relationship in two or more rows and driven from ground-engaging wheels, with individual seed metering devices carried by and driven by each disc to deposit seeds ... | 10/03/1978 |
| 4051902 | Soil cultivating implements A cultivating implement has one or more forward cultivating rotors that are driven to work the top soil. During this working, stones and debris are unearthed. At the rear of the cultivating members, one or more rows of soil working members are moved throu... | 10/04/1977 |
| 4044839 | Soil cultivating machines A soil cultivating machine has side-by-side working members mounted on upwardly extending shafts that extend slightly forward with respect to the direction of travel. Each working member includes radial arms and at the outer end of each arm a tool, such a... | 08/30/1977 |
