| Patents for A01B 43 - Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes (814) |
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| 01/26/1995 | DE4339510C1 Apparatus for separating stones and/or crops from soil |
| 01/24/1995 | CA2018120C Rock picking machine |
| 01/05/1995 | WO1995000066A1 Endoscope with reusable core and disposable sheath with passageways |
| 10/12/1994 | CN2178980Y Earth film uncovering machine |
| 10/04/1994 | US5351761 Field stone collection apparatus |
| 09/18/1994 | CA2119305A1 Implement for removing weeds from areas such as paths, squares and parks |
| 08/03/1994 | CN2172943Y Suction type waste plastic film recovering machine |
| 05/18/1994 | CN2164631Y Mounted film gatherer |
| 05/10/1994 | US5310008 Picker grate for a rock picker |
| 04/26/1994 | US5305834 Rock gathering tool |
| 03/30/1994 | CN2159645Y Cotton stem pulling-out machine |
| 03/30/1994 | CA2101812A1 Picker grate for a rock picker |
| 03/23/1994 | CN2159092Y Chain collecting machine for whole cotton plants |
| 03/17/1994 | WO1994005200A1 Sterilizable endoscope with separable disposable tube assembly |
| 03/02/1994 | CN2157656Y Film-brushing device |
| 02/12/1994 | CA2075829A1 Agricultural implement for separating & crushing rocks |
| 01/12/1994 | CN2152379Y Pile pulling machine |
| 12/15/1993 | CN2149086Y Mini-machine for removing cotton root |
| 11/17/1993 | CN2146104Y Mulching film-collecting machine at the seeding stage of ridge culture corn |
| 08/04/1993 | CN2139343Y Double-row cotton stalk puller |
| 07/21/1993 | CN2138384Y Cotton stalk pulling devicd |
| 07/14/1993 | CN2137854Y Crop roots removing machine |
| 06/16/1993 | CN2135904Y Portable stubble breaking machine |
| 05/05/1993 | CN1071547A Collector of ground film for agricultural use |
| 04/28/1993 | CN2130320Y Cotton stalk puller |
| 03/03/1993 | CN2127545Y Cotton stalk puller |
| 11/24/1992 | CA1310615C Rock picker adaption to front end loader |
| 09/30/1992 | CN2117018U Animaldriving cotton stem picking machine |
| 09/23/1992 | CN2116331U Rolling cotton stalk harvesting machine |
| 09/09/1992 | CN2114948U Dual-purpose mahcine for removing and clearing roots in soil of dry farmland |
| 09/09/1992 | CN2114947U Dual-purpose machine for removing and clearing roots in soil of dry farmland |
| 09/01/1992 | US5143305 Excavating trench in soil, passing excavated soil to separator in which larger particles are discarded in ground in trench region, passing smaller particles to second separator for discarding and return to trench, storage of desired particles |
| 08/26/1992 | CN2113589U Cotton stalk puller |
| 08/25/1992 | US5141058 Rock picking machine |
| 08/19/1992 | CN2112924U Front arrangement type double line gatherer for cotton firewood |
| 07/22/1992 | CN2110339U Collector for recovering agricultural mulching film |
| 05/06/1992 | CN2103245U Multipurpose machine for crushing stalks and applying it to field |
| 03/25/1992 | CN2099431U Tractor-drawn rake for agricultural use |
| 12/18/1991 | EP0461893A2 Soil treatment apparatus and method |
| 12/10/1991 | US5070946 Stone burying attachment for landscape machines |
| 11/06/1991 | CN2087860U Multi-purpose machine for working soil |
| 10/30/1991 | CN2087421U Cleaning machine for ground film |
| 10/29/1991 | US5060732 Cylinder-type ground-raking attachment for a bucket-equipped tractor |
| 09/24/1991 | CA1289365C Stone roller |
| 09/18/1991 | CN2084711U Machine for pulverizing root stubble on field |
| 09/12/1991 | DE4007409A1 Screening device to remove foreign bodies from sand and soil - has quick change device with elevator and sifting drums set on wheel loader |
| 07/02/1991 | US5027906 Rock picker adaption to front end loader |
| 06/12/1991 | CN1012783B Drum elastic-tooth diaphragm drawing in device of eccentric cage rotor |
| 04/17/1991 | CN2074969U Machine for cutting straw and cleaing stubble |
| 04/10/1991 | CN2074530U Hand push cotton stem harvesting machine |
| 02/06/1991 | CN2070527U Stubble cleaner as covering shovel |
| 02/06/1991 | CN2070526U Stubble cleaner |
| 01/16/1991 | EP0408417A1 Classifying and enclosing device for a stone swath former drawn by a tractor, of the type having two axes forming a "V" with respect to the direction of motion of the tractor, and having resilient and vibratable teeth |
| 11/14/1990 | CN2065391U Stabble remover |
| 10/03/1990 | CN1045679A Crop stalk puller |
| 09/26/1990 | CN1045503A Drum elastic-tooth diaphragm drawing-in device of accentric cage-rotor |
| 03/28/1990 | CN2054969U Pedal device for pulling cotton slem |
| 03/21/1990 | CN2054614U Stalks grinder |
| 03/06/1990 | US4905767 Rock picking device |
| 06/21/1989 | CN2039495U Single-handle double-row front positioning stubble cleaner |
| 08/10/1988 | EP0277739A1 Beach cleaning machine |
| 11/24/1987 | CA1229490A1 Stone picker |
| 06/30/1987 | US4676012 Three point hitch rock and root puller |
| 06/03/1987 | CN86201186U Waste plastic film scavenging machine |
| 04/21/1987 | CA1220633A1 Stone digger |
| 04/21/1987 | CA1220632A1 Rock and root picker |
| 03/24/1987 | CA1219453A1 Three point hitch rock and root puller |
| 02/10/1987 | US4641439 Rock digging apparatus |
| 10/14/1986 | CA1212551A1 Transportable wide swath trailing implement |
| 09/02/1986 | US4609050 Root and rock picker |
| 09/02/1986 | US4609049 Rotary wheel type rock picker |
| 08/26/1986 | US4607441 Stone digging attachment for front end loader attachment of a tractor |
| 07/30/1986 | EP0188428A1 A stone picker |
| 12/03/1985 | US4555897 Transportable wide swath trailing implement |
| 10/22/1985 | US4548275 Device for separating clods and stone from the soil |
| 05/14/1985 | US4516639 For fine grinding and debris removal from landscape surface |
| 04/25/1985 | WO1985001635A1 A stone picker |
| 03/19/1985 | US4505376 Rock loading apparatus |
| 01/29/1985 | US4496003 Rock gathering apparatus |
| 01/22/1985 | US4494611 Apparatus for processing soil for planting |
| 07/10/1984 | CA1170461A1 Rock windrower |
| 04/03/1984 | US4440235 Rock windrower |
| 03/27/1984 | CA1164221A1 Ground-raking, rock-gathering attachments for tractors |
| 03/27/1984 | CA1164220A1 Rock picker with storage conveyors |
| 11/01/1983 | CA1156053A1 Double roll rock windrower |
| 04/05/1983 | CA1143953A1 Rotary wheel type rock picker |
| 12/28/1982 | CA1138210A1 Stone picking machine |
| 12/21/1982 | US4364434 Ground-raking, rock-gathering attachments for tractors |
| 08/24/1982 | US4345655 Rock picker with storage conveyors |
| 08/24/1982 | CA1130095A1 Rock picker |
| 03/16/1982 | US4319641 Rock picker |
| 02/16/1982 | US4315546 Double roll rock windrower |
| 02/02/1982 | US4313502 Rock extractor apparatus and method |
| 11/24/1981 | US4301869 Stone picking machine |
| 10/27/1981 | US4296818 Rotary rock picker |
| 08/11/1981 | US4282932 Rock picker |
| 06/02/1981 | US4270614 Stone rake and ground conditioning machine |
| 05/05/1981 | US4265929 Single-bake two-layer enamelling with electrostatic powder coating |
| 02/03/1981 | CA1094820A1 Rotary rock windrower |
| 11/25/1980 | CA1090146A1 Rock picker with kicker roller |