| Patents for A01M 21 - Apparatus for the destruction of unwanted vegetation, e.g. weeds (1,840) |
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| 08/26/1992 | CN1017956B Compound weeding mulching film for farm use |
| 08/25/1992 | US5141059 Method and apparatus for controlling agricultural pests in soil |
| 07/09/1992 | DE4100221A1 Destruction of weeds and vermin by electric heaters - towed through spaces into which hot air or vapour is blown between rows of cultivated plants |
| 06/17/1992 | DE4039460A1 Mowing machine for agricultural or garden use - has cutting tool formed from heat conductor heated by electrical resistance and arranged on trolley perpendicular to direction of travel |
| 06/17/1992 | DE4039458A1 Mown material redn. system for reducing vol and wt. of mown cut material - uses electrically heated heat conducting grid which is heated by electric resistance heating which can be arranged on movable mowing unit |
| 06/12/1992 | WO1992010091A1 Gardening implement |
| 06/12/1992 | CA2075717A1 Gardening implement |
| 06/11/1992 | DE4039359A1 Hot-air weed killer among paving slabs - has electric heater and blower controlled by manual ON=OFF switch |
| 05/01/1992 | CA2054541A1 Method and device for applying a liquid to a crop |
| 04/21/1992 | CA1298952C Continuous process for the partial sterilisation of mushroom casing |
| 03/12/1992 | DE4028110A1 Moss and weed eradication machine with vertical laser - destroys remains of plants previously topped by heating effect of resistive elements at ground level |
| 03/11/1992 | EP0473752A1 Plant-killing device |
| 03/10/1992 | CA1297071C Applicator |
| 03/05/1992 | WO1992003045A1 Combined cultivator and fluid injector system |
| 02/13/1992 | DE4124815A1 Burning off weed in row-crops - involves burners to treat whole ground surface close to crop stems |
| 01/28/1992 | CA1294831C Microtube applicator system |
| 01/01/1992 | CN2091543U Apparatus for treatment of harmful living things |
| 11/06/1991 | EP0433292A4 Process for treating plants |
| 10/15/1991 | US5056440 Water weeding tool |
| 09/26/1991 | DE4039797A1 Sensor controlled plant cultivation and weed control equipment - uses variety of sensors in conjunction with weed destruction devices under processor control |
| 09/22/1991 | WO1991014363A1 Plant-killing device |
| 09/22/1991 | CA2058291A1 Plant-killing device |
| 08/20/1991 | US5040329 Method and apparatus for ultraviolet treatment of plants |
| 07/24/1991 | EP0437892A1 Device for thermally killing weeds |
| 07/16/1991 | CA2034152A1 Device for thermally killing weeds |
| 07/09/1991 | US5030086 Agricultural burner device |
| 06/26/1991 | EP0433292A1 Process for treating plants |
| 06/04/1991 | US5020510 Method and apparatus for heating the ground, roads or the like |
| 05/29/1991 | DE3939269A1 Destroying plants and organisms - by directed microwaves from static or mobile generator |
| 05/02/1991 | DE3935719A1 Railway track weed killing equipment - has driven rail vehicle with liquid gas production equipment for track spraying |
| 02/21/1991 | WO1991001634A1 Applicator for chemicals |
| 02/20/1991 | EP0413055A1 Weed killer |
| 02/19/1991 | CA2023368A1 Weed exterminator |
| 01/17/1991 | DE3922002A1 Method for killing weeds on roads and paths - involves use of high temp. gas jet directed onto weeds |
| 01/09/1991 | EP0406392A1 Apparatus for plant flaming by means of liquefied petroleum gas. |
| 12/18/1990 | US4978501 Continuous process for the partial sterilization of mushroom casing |
| 11/29/1990 | WO1990013996A1 Process for treating plants |
| 10/30/1990 | US4965960 Methods and devices for using porous materials in the controlled feeding, distribution, and application of liquid agricultural chemicals |
| 10/25/1990 | DE3913030A1 Device to prevent growth of vegetation on sloping roof - comprises sheet copper laid on roof surface on or under ridge |
| 08/14/1990 | US4947580 Manual devices and methods for selective application of chemical substances to plants |
| 08/09/1990 | WO1990008465A1 Method and apparatus for plant flaming by means of liquefied petroleum gas |
| 05/22/1990 | US4926622 Combined rotary cutter and herbicide applicator and method |
| 05/02/1990 | EP0366031A1 Method and device for killing standing flax plants |
| 03/20/1990 | US4908981 Devices and methods for selective application of herbicide |
| 03/07/1990 | CN1007036B Killing method for loranthus parasiticus of rubber tree |
| 02/22/1990 | WO1990001256A1 Biological disc |
| 02/07/1990 | EP0210982B1 Applicator disks |
| 01/23/1990 | US4894948 Hand held apparatus for selective application of liquid herbicide |
| 12/27/1989 | EP0347982A1 Method and device for controlling unwanted plant growth on a piece of ground |
| 12/19/1989 | US4887384 Controlled wick-type herbicide applicator |
| 12/14/1989 | DE3818645A1 Working machine for removing weeds |
| 12/05/1989 | US4884362 Method and apparatus for applying liquid chemicals to plants |
| 11/28/1989 | US4882874 Pesticide applicator |
| 10/17/1989 | US4873789 Soil sterilizer |
| 09/26/1989 | US4869235 Field burner |
| 08/24/1989 | DE3804052A1 Device for pest control with microwaves |
| 06/28/1989 | CN1033504A Compound weeding ground film for farm use |
| 05/24/1989 | EP0317456A1 Application of plant protection products by moistening |
| 05/16/1989 | US4830831 Micorobiocides sprayed on crops on an elevated tray |
| 03/22/1989 | EP0307720A2 Geotextile having soil treatment compound and method |
| 03/02/1989 | DE3727291A1 Unit for the environmentally friendly destruction of weeds |
| 02/14/1989 | US4803801 Weedbeater |
| 12/15/1988 | WO1988009616A1 Method for protection of cultivated plants |
| 08/11/1988 | DE3702988A1 Device combination, which can be attached to an agricultural or forestry working vehicle, for mechanical weed control, in particular between young plant rows in tree nursery or forest plantations |
| 07/28/1988 | DE3732178C1 Process and apparatus for destroying weed plants, and herbicide |
| 07/19/1988 | US4758318 Method for improvement of soil |
| 07/13/1988 | CN88100039A Killing method of loranthus parasiticus of rubber tree and killer spreading divice |
| 06/07/1988 | US4748769 Sprayer assembly for liquids |
| 06/01/1988 | DE3639705A1 Mobile apparatus for destroying weeds |
| 05/10/1988 | US4742642 Swabbing device for a herbicide applicator |
| 04/05/1988 | US4735013 Apparatus and method for direct application of treatment liquid to growing vegetation |
| 03/29/1988 | US4733497 Applicator for agricultural and horticultural treating liquids |
| 03/01/1988 | US4727678 Herbicide applicator with adjustable shield |
| 01/21/1988 | DE3704531C1 Dryer for agricultural products or other materials |
| 01/21/1988 | DE3641975C1 Dryer for agricultural products or other materials |
| 01/19/1988 | US4719719 For applying liquids to plants growing about a cultivated crop |
| 01/05/1988 | US4716678 Arrangement for treatment of culture by moistening |
| 01/05/1988 | US4716677 Manual devices and methods for selective application of chemical substances to plants |
| 10/13/1987 | CA1227998A1 Plant care products |
| 10/06/1987 | US4697739 For mixing application of the liquid agrichemical to soil or crops |
| 09/30/1987 | EP0238512A1 Method and device for the cleansing of substrates |
| 09/02/1987 | CN86101756A Apparatus and method for direct application of treatment liquid to growing vegetation |
| 07/29/1987 | CN86204581U Combined fertilising and weeding implement for dry farmland |
| 06/19/1987 | DE3641166A1 Bioherbicide broadcaster and liquid-manure broadcaster |
| 06/19/1987 | DE3544101A1 Infrared coagulator |
| 06/02/1987 | CA1222487A1 Implement for contact application of liquid herbicides to crops |
| 05/27/1987 | DE3540554A1 Apparatus for preventing plant growth in the region of lamp posts, crash-barrier posts or the like |
| 03/30/1987 | EP0205495A4 An applicator for agricultural and horticultural treating liquids. |
| 03/26/1987 | WO1987001560A1 Method and device for the cleansing of substrates |
| 03/24/1987 | US4652267 Derivatives of N-oxiranemethane N,N,N-trialkylammonium, their preparation method and their use for the treatment of polyhydroxylated and polyminated polymers |
| 02/25/1987 | EP0210982A1 Applicator disks. |
| 02/17/1987 | US4642937 Nonabsorbent roller applicator |
| 02/12/1987 | EP0210982A4 Applicator disks. |
| 12/30/1986 | EP0205495A1 An applicator for agricultural and horticultural treating liquids |
| 11/25/1986 | US4624071 Herbicide applicator |
| 10/29/1986 | EP0199599A2 An applicator |
| 07/03/1986 | WO1986003653A1 An applicator for agricultural and horticultural treating liquids |
| 07/01/1986 | US4597219 Vacuum/gravity feed contact herbicide applicator |
| 06/03/1986 | US4592164 For protectivaly surrounding the base of a tree |
| 04/22/1986 | US4583318 Apparatus and method for direct application of treatment liquid to growing vegetation |