...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7470180 | Rock trap for combine header A rock trap disposed in a feeder adapter of a combine directly behind a sickle bar of a combine header and in an area in front of a rearwardly directed conveyor located for receiving cut crop from transversely directed conveyor of the header. The rock trap has a tra... | 12/30/2008 |
| 7226355 | Mechanism and method for automatically transversely positioning the pinch-point of a concave A device and method is disclosed for allowing a combine operator, from the operator's station, to automatically transversely position a pinch-point of a concave relative to a rotor of a combine in accordance with the clearance spacing set between the concave and the... | 06/05/2007 |
| 7118475 | Mechanism and method for automatically transversely positioning the pinch-point of a concave A device and method is disclosed for allowing a combine operator, from the operator's station, to automatically transversely position a pinch-point of a concave relative to a rotor of a combine in accordance with the clearance spacing set between the concave and the... | 10/10/2006 |
| 7011580 | Elevator for an agricultural harvesting machine An agricultural harvesting machine comprises a crop processing apparatus and an elevator assembly for conveying harvested crop material to the crop processing apparatus. The elevator assembly comprises an elevator housing and an endless elevator apparatus mounted fo... | 03/14/2006 |
| 6368209 | Agricultural combine with stone trough beater arrangement An agricultural combine feeder assembly and rotor interface wherein the feeder assembly includes front and rear housing section connected by a pivot. The front section contains a conveyor while the rear section contains a rotating beater. The rearmost ext... | 04/09/2002 |
| 6312329 | Stone roll mount plate for a feederhouse on an agricultural combine A feederhouse on an agricultural combine include a pivoting faceplate between the header and feederhouse. The pivoting faceplate position indicia to assist an operator in properly positioning the faceplate. A front drum adjustment mechanism, which use a c... | 11/06/2001 |
| 6269618 | Acoustic stone detection for a feederhouse on an agricultural combine A feederhouse on an agricultural combine. Having a first acoustic array having a first sounding board and acoustic sensor positioned beneath the front drum and feederhouse floor. A second acoustic array positioned behind the front drum and between the con... | 08/07/2001 |
| 5462487 | Rock guard for a combine A rock guard for a crop harvesting combine header. The guard is attached to the grain table immediately behind the cutter bar and extends vertically upward from the grain table such that the upper edge is spaced below the resilient fingers of the reel whe... | 10/31/1995 |
| 5368522 | Feeder-rotor assembly for combines A rotary combine including a feeder mechanism and a rotor assembly having an impeller assembly arranged at a forward end of a rotor. The feeder mechanism includes a housing which is pivotally connected to the combine about a transverse axis. The feeder me... | 11/29/1994 |
| 5186683 | Stone trap assembly for a combine A stone trap assembly for inhibiting stones, rocks, and the like from passing into a combine threshing area from a feeder mechanism adapted to advance crop material through a housing. The stone trap assembly includes a stone receiving trough and a rotatab... | 02/16/1993 |
| 4720962 | Apparatus for picking up and conveying crop or other material Apparatus for picking up and conveying crop has a high-speed rotor 21 mounted on a mobile frame 50 for movement over the ground to pick up previously cut crop. A hood 54 extends around part of the front of the rotor and moves relative to the frame in resp... | 01/26/1988 |
| 4538625 | Stone guard door for harvesters A harvester has a threshing head pivotally mounted at the front end for raising and lowering movement between a lower operative position and an upper inoperative position. The threshing head comprises a rotatable threshing cylinder, a concave adjacent to ... | 09/03/1985 |
| 4440179 | Stone trap for an axial flow rotary separator In an axial flow rotary separator, a transition zone between the infeed section and threshing sections is modified to serve as a stone trap or arresting and ejecting device. Radially aligned inner and outer stone collars carried by the separator rotor and... | 04/03/1984 |
| 4335563 | Combine stone trap latch release A release mechanism for a combine stone trap latch is disclosed wherein the detection of a stone in the crop feed path by either electronic or mechanical detection mechanisms can trigger the release of the latch from a trap door to permit the stone to be ... | 06/22/1982 |
| 4335564 | Electronically actuated stone trap trip mechanism A trip mechanism, cooperable with an electronic stone detection device on a combine, is disclosed wherein, upon the reception of a signal from the electronic stone detection device indicating that a stone has been detected in the feed path of the crop bei... | 06/22/1982 |
| 4335562 | Rock trap for farm vehicle A rock trap for a farm vehicle such as a combine or the like removes rocks from crops being harvested thus preventing rocks from entering the threshing area of the combine. Crop material is fed through a feeder house toward a drum and all the crop materia... | 06/22/1982 |
| 4335565 | Latch mechanism for combine having electronic and mechanical stone detectors A latch mechanism for the trap door of a combine stone detector is disclosed wherein the latch mechanism is operable to release the trap door for ejection of a stone or other non-crop foreign matter from the feed path of the crop being harvested when the ... | 06/22/1982 |
| 4305244 | Feeder house design for a combine In an infeed housing for a harvesting and threshing machine there is provided an improved infeed housing design that redirects the flow of crop material along its predetermined path of travel at a selectively creatable discontinuity in the floor of the in... | 12/15/1981 |
| 4288969 | Stone trap seal In a combine used for harvesting and threshing crop material from a field and equipped with a system for ejecting stones and other foreign objects from an infeed housing through a trapdoor there is provided an improved seal for the stone trapdoor and the ... | 09/15/1981 |
| 4253472 | Concave clearance indicator In a harvesting and threshing machine having concaves cooperative with rotatable threshing and separating apparatus there is provided a shearbolt safety mechanism coupled to a concave clearance indicator so that when a foreign object enters the threshing ... | 03/03/1981 |
| 4146038 | Stone trap for harvester The invention relates to combine harvesters having stone traps for collecting stones and other foreign objects before they reach the threshing means of the harvesters and enabling the trapped stones to be easily removed from the harvesters. A combine harv... | 03/27/1979 |
| 3974837 | Crop combine with a resiliently mounted crop separator A resiliently mounted crop separator for a combine allowing stones to pass therethrough without damage to the separator. A combine vehicle includes gathering means to gather a crop and further includes conveying means to convey the crop from the gathering... | 08/17/1976 |
| 3971716 | Rock separator An apparatus for separating rocks larger than a predetermined size from a mixture of various size rocks utilizing a plurality of transversely spaced, inclined arms. The arms reciprocate back and forth, thereby expediting the flow of the smaller rocks into... | 07/27/1976 |