...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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 |
| 7322561 | Vacuum processing apparatus The invention provides a highly reliable plasma processing apparatus having stable sealing performance. The vacuum processing apparatus comprises a vacuum vessel 509 having its inside decompressed, an opening 1201 disposed on a wall of the vacuum vesse... | 01/29/2008 |
| 6918448 | Grader A grader for attachment to a lift unit of a material handling vehicle and adapted to spread and smooth particulate material. The grader includes a first horizontally elongate beam adapted to engage, spread and smooth the material and a second horizontally elongate b... | 07/19/2005 |
| 6330922 | Bedding plow featuring a center-cut disk assembly having resilient relief means A bedding plow suited for forestry planting operations includes a plow frame that is attached to a tractor or other tow vehicle. The frame holds a pair of trailing disk assemblies that are arranged along opposite longitudinal sides of the bed being plowed... | 12/18/2001 |
| 5974987 | Seed drilling implement There is disclosed a seed drilling implement (10) which comprises a frame (11), a coupling device (12) at the forward end of the frame (11), drilling elements (13) mounted on the frame (11) at or near the rear end of the frame, coulters (14) mounted on th... | 11/02/1999 |
| 5957217 | Strip tillage apparatus The present invention provides a shankless strip tillage tool for no-till preparation of surface soil for the planting of seeds. The strip tillage apparatus has a frame for mounting the apparatus to a tool bar mounted on a draft vehicle. The frame has a p... | 09/28/1999 |
| 5809915 | Contouring dry land seed drill A seed drill particularly adapted for contouring uneven ground and accommodating rocks, especially where depth of furrow and placement of seed against wet soil is critical, as in dry land farming. Each drill in a set of drills is a separate unit which is ... | 09/22/1998 |
| 5020604 | Dual tillage implement A combination tillage and incorporating implement having widely spaced sweeps in several rows at the forward portion of the main frame with tow trailing rows of angled spider wheels supported in pairs, for ground contour following ability and ease and fle... | 06/04/1991 |
| 4974681 | Method for fracturing sub-surface hardpan by drawing a particularly-angled tine therethrough A method for fracturing below ground hardpan which includes entering a sub-soil tine beneath the lower surface of a layer of hardpan, with the upper surface angle of the tine in range of orientation which provides an improved fracturing width.... | 12/04/1990 |
| 4857193 | Floating chicane system for liquid-solid separation equipment A chicane system is provided in a belt filter press in a gravity drainage zone. The gravity drainage zone includes a movable filter belt, an inlet section for receiving a suspension on the filter belt, and an outlet for discharging separated liquid and so... | 08/15/1989 |
| 4815545 | Subsoil blade ploughs Apparatus for fracturing below ground hard pans which includes entering a sub-soil tyne beneath the hard pan with upper surface angle in range of orientation which provides improved fracturing width.... | 03/28/1989 |
| 4729435 | Subsoil tilling implement An agricultural tilling implement is described which is adapted to be connected to the rear of a tractor having a three-point hitch. The implement comprises an elongated tool bar which preferably has two attachments thereon, spaced from each other, for co... | 03/08/1988 |
| 4646850 | Rotary incorporator and spider wheel therefor A rotary incorporator for one pass incorporation of chemicals or small grains in previously tilled soil. The incorporator includes two rows of aggressive, large diameter spider wheels supported from a toolbar for rotation in the soil about axes offset at ... | 03/03/1987 |
| 4596113 | Rake with pivotal tines A rake having independently pivotal tines which have eccentric portions designed so that the rake moves through the soil on edge upon displacement of the support in one direction and moves through the ground broadside upon displacement of the rake through... | 06/24/1986 |
| 4574715 | Agricultural fertilizer applicator An improved fertilizer applicator includes a rolling coulter and a knife both mounted to a single tool bar mount but with separate spring cushions for independent clearing action and designed for improved clearance suitable for use in heavy residue.... | 03/11/1986 |
| 4554977 | Combined harrow and harrow bar A cultivator of the type having a vertically movable harrow bar followed by a vertically movable harrow roller. A plurality of springs biases the roller down against the ground. The springs are operatively connected to the harrow bar in a manner to have v... | 11/26/1985 |
| 4537262 | Soil cultivation A soil cultivating machine comprises two transverse rows of fixed tines and three transversely extending rollers. The front roller has discs which cut parallel slits in the soil. The two following rollers have transversely extending releasable blades moun... | 08/27/1985 |
| 4519460 | Compaction and support apparatus A compaction and support apparatus for packing the ground immediately after tillage includes a frame and a wheel support gang movably mounted adjacent a rearward end of the frame. A plurality of tillers are supported in spaced relation from the frame, and... | 05/28/1985 |
| 4426940 | Implements for injecting substances below the surface of the soil A machine for burying slurry, sewage, or other soil-improving fluids has a hollow straight forward-leaning tine which carries at its bottom end an arched, forward-sloping delta-shaped shoe for lifting the soil into the form of a tunnel. The hollow interio... | 01/24/1984 |
| 4377979 | Conservation tillage row crop planter system The planter includes a number of forward tillage units each followed by an aligned planting unit. Both units are independently mounted by four-bar linkages to the planter frame. Each tillage unit includes a leading banded coulter followed by a pair of rol... | 03/29/1983 |
| 4333533 | Weeder for row crops A weeder for row crops has a main frame adapted to be mounted at the rear of a tractor. A pair of upright skid boards, spaced at the front and rearwardly divergent, are adjustably interconnected so that their spacing and angular relationship may be varied... | 06/08/1982 |
| 4328870 | Plough for working of soil This invention provides a new method of ploughing in which the cut ridge is inverted in its own furrow. The plough for doing this consists of at least two upright main bodies (4) parallelly spaced and elongated in the ploughing direction. At the front por... | 05/11/1982 |
| 4316510 | Soil cultivating machine with interconnected pivoted members A soil cultivating machine has a beamed frame, and working members arranged in pairs. Two working members are mounted one behind the other, preferably on a common carrier beam which is releasably secured to transverse beams of the frame. Thus the two work... | 02/23/1982 |
| 4315549 | Soil working machine with interconnected displaceable supports which maintain orientation A soil working machine comprises two interconnected soil working members. Each working member comprises a support that is preferably resilient and a lower working element. Deflection of one working member results in an opposite deflection of the other, bu... | 02/16/1982 |
| 4291638 | Agricultural implements The present invention provides in an agricultural ground treating device particularly but not exclusively a seed drill arranged to be towed over the ground and having a plurality of ground engaging implements, means for causing all of the implements to en... | 09/29/1981 |
| 4285404 | Soil working machine with resilient support and trailing, rigid control arm A soil working machine, such as a cultivator, has a frame beam to which a working element is connected by a support. The support is resilient or resiliently mounted and can deflect when the working element meets an obstruction, or heavy ground resistance,... | 08/25/1981 |
| 4244306 | Minimum tillage planter A planter for seed crops, such as grains. A wheeled framework supports the apparatus for movement about a field. At the front of the framework is a row of transversely spaced chisels which produce tilled areas parallel to the path of movement of the frame... | 01/13/1981 |
| 4241674 | Sub-soil planter A sub-soil planter machine has a frame, including front and rear transverse tool bars; a plurality of sub-soil blades mounted on and transversely spaced along the front tool bar; a plurality of rotary tilling assemblies mounted on and transversely spaced ... | 12/30/1980 |
| 4231433 | Cultivator with tool support arm and latch for holding same in raised non-working position Closely spaced cultivating tools are mounted along a tool bar and each tool may be locked in a raised position relative to the ground or may be lowered into floating engagement with the ground during use of the implement. A small tool bar is mounted paral... | 11/04/1980 |
| 4204579 | Cultivator with pivotal tines A cultivator has a frame normally carried on the back of a tractor and pulled in a predetermined direction along the ground. A plurality of tines extend downwardly from this cultivator and penetrate the ground. Each tine is pivotal about a respective axis... | 05/27/1980 |
| 4167978 | Field cultivator Four or more cultivator arms or shanks are pivoted to the front and rear of a main frame and are interconnected by linkage so that if a cultivator blade on one arm strikes an obstruction, then it moves rearwardly to clear same and at the same time the oth... | 09/18/1979 |
| 4148266 | Seed sowing mechanism A mechanism for sowing seeds having a seed supply device which is carried by a sower frame. Front and rear wheels for supporting the frame are carried by arms pivotally coupled to the frame, which arms include lever arm appendages which are coupled togeth... | 04/10/1979 |
| 4091878 | Ground working implement An agricultural implement for pulverizing the top layer of the soil. It comprises a positively coupled pair of rollers rolling over the ground at unequal surface speeds so that at least one of the rollers is constantly slipping. A harrow is mounted in fro... | 05/30/1978 |
| 4071089 | Soil cultivating implements A cultivator has an elongated beamed frame and a plurality of soil working groups pivoted to a forward beam by at least one parallelogram linkage. The groups are pivoted to turn about pivot connections, that define horizontal axes that extend transverse t... | 01/31/1978 |
| 4046203 | Folding tool bar for agricultural implements A folding sectional tool bar for agricultural implements and including a hollow horizontal main section and wing sections hingedly connected thereto for independent movement between lowered operative positions and raised inoperative over-center parked pos... | 09/06/1977 |
| 4033417 | Agricultural machine A support is connectable with an agricultural machine, and a plurality of agricultural tools is provided which are mounted by mounting elements on the support so that they can be adjusted relative to the support. A single arresting element is provided whi... | 07/05/1977 |
| 4029155 | Floating mount for agricultural finish tools A trailing floating mount for agricultural finish tools is connected to the wheeled frame of an implement carriage and includes an elongated, longitudinally oriented finish tool draw bar attached to the carriage by a double-stop bracket which allows the b... | 06/14/1977 |
| 4023510 | Depth control and protective apparatus for tillage assembly A depth control and protective apparatus is disclosed as particularly useful in a tillage assembly for sod seeding purposes. The apparatus includes a pair of skids mounted upon a pivoted arm, which arm has also mounted thereon a pair of cutter wheels for ... | 05/17/1977 |
| 4005756 | Lightweight pasture harrow A lightweight pasture harrow for breaking up and scattering piles of manure and like material in a pasture including a shaped wire mesh framework secured to a front crossbar which provides a tow bar for pulling the harrow across a field, or pasture. The w... | 02/01/1977 |
| 3991831 | Combination post-plowing cultivating implement and field drag A field drag particularly adapted for use in conjunction with a post-plowing cultivating implement includes a mounting bar section pivotally secured to the frame of the implement and extending in a rearward direction behind the implement. A plurality of s... | 11/16/1976 |
| 3965989 | Flexible plow A large moldboard plow utilizing a multi-piece backbone or main frame connected by a hinge or hinges and a floatation land wheel or wheels. The hinge or hinges being arranged such that a uniform interval is maintained between the last plow bottom on the f... | 06/29/1976 |