| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 301 | Trash cutting means for plows | US20769271 | 1971-12-13 | US3920078A | 1975-11-18 | SCHAEFFER NORMAN E |
| A trash-clearing attachment for agricultural implements has a blade disposed in a horizontal plane between the implement frame and a tool therebelow and secured to an upright shaft for rotation about the longitudinal axis thereof. The shaft is held by bearings on the frame which may be shifted in a horizontal direction to vary the location of the blade with respect to the tool. A hydraulic motor on the frame is connected to the shaft through a flexible belt arrangement for driving the blade upon actuation of the motor.
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| 302 | Tillage apparatus | US32517673 | 1973-01-19 | US3826315A | 1974-07-30 | BLAIR C |
| Soil management apparatus combines pointed tillage tools with forwardly positioned, swingable rolling disc cutters which are preceded by elongated deflector bars projecting transversely and angularly across the anticipated path of the disc cutters for deflecting upwardly projecting stubble and the like laterally downwardly into the disc cutter path.
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| 303 | Vibrator for plow | US57479966 | 1966-08-24 | US3419085A | 1968-12-31 | FISCHER RAYMOND C |
| 304 | Liquid fertilier applicator for a plow | US58340066 | 1966-09-30 | US3384038A | 1968-05-21 | GILBERT FENET |
| 305 | Trash remover for plows | US39493764 | 1964-09-08 | US3321025A | 1967-05-23 | ELLEFSON HENRY A; ELLEFSON GORDON H |
| 306 | Rotary cutters and plows | US37839864 | 1964-06-26 | US3252521A | 1966-05-24 | DER LELY CORNELIS VAN |
| 307 | Powered moldboard plow | US25331663 | 1963-01-23 | US3167134A | 1965-01-26 | ANDREW LEO IVAN |
| 308 | Driven endless chain anti-clogging device for multiple plows | US23782862 | 1962-11-15 | US3152648A | 1964-10-13 | WILDT GEORGE J; INHOFER HAROLD G |
| 309 | Blade mounting for a tillage tool | US53568155 | 1955-09-21 | US2893499A | 1959-07-07 | SHOLLENBERGER WILLIAM G |
| 310 | Soil-working plough | US59671656 | 1956-07-09 | US2887169A | 1959-05-19 | WATSON WALTER E F |
| 311 | Trash spring member | US51758055 | 1955-06-23 | US2839984A | 1958-06-24 | MACK KNIGHT HARVEY |
| 312 | Rotary disk to facilitate plow penetration | US78274747 | 1947-10-29 | US2596991A | 1952-05-20 | DRUMMOND WILLIAM D |
| 313 | Trash cutting disk attachment for plow wheels | US61225945 | 1945-08-23 | US2508113A | 1950-05-16 | HOLLANDSWORTH GEORGE W |
| 314 | Root cutter | US73137347 | 1947-02-27 | US2495052A | 1950-01-17 | LESTER COLE |
| 315 | Trash chopper for plows | US77231447 | 1947-09-05 | US2489930A | 1949-11-29 | REX REAHARD THOMAS |
| 316 | Straw and foliage cutter attachment for plows | US38980841 | 1941-04-22 | US2341143A | 1944-02-08 | HERR ROBERT C |
| 317 | Plow attachment | US42780942 | 1942-01-22 | US2311945A | 1943-02-23 | KELLY ARTHUR E |
| 318 | Attachment for rolling colters | US38437841 | 1941-03-20 | US2280107A | 1942-04-21 | WILLIAM STUTE |
| 319 | Peanut cutter attachment for plows | US29737239 | 1939-09-30 | US2236931A | 1941-04-01 | WHITTON JOHN C |
| 320 | Disk-jointer attachment for plows | US7891036 | 1936-05-09 | US2066487A | 1937-01-05 | GOTTLIEB SCHLENSKER |
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