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| Number | Title | Issue Date |
| 7351913 | Anti-roosting device An anti-roosting device is disclosed. The device includes a track, an electrical conductor, and an electrical source. The conductor is embedded within the track, with a portion of the conductor left exposed. The electrical source provides low amperage at high voltag... | 04/01/2008 |
| 7243465 | Branched spike bird deterrent A bird deterrent has a base and at least one branched spike extending from the base. The branching can occur anywhere along the spike, and a single branch point can give rise to multiple branches. Spikes can have multiple branches. The various branches can be of any... | 07/17/2007 |
| 7052348 | Autonomous bird predation reduction device A self-guided apparatus for repelling birds through various means of deterrence. The device comprises a chassis, a floatation assembly, a propulsion system, and a guidance and control system. The device may operate in either of at least two modes: passive and active... | 05/30/2006 |
| 6933446 | Anti-roosting device An anti-roosting device is disclosed. The device includes a track, an electrical conductor, and an electrical source. The conductor is embedded within the track, with a portion of the conductor left exposed. The electrical source provides low amperage at high voltag... | 08/23/2005 |
| 6928768 | Deterrent strip for repelling birds and other pests A deterrent strip for repelling birds and other pests includes a non-conductive base supporting two electrically conductive extensible wires. Notches are formed in the base to allow bending. Connectors are attached to wire support members of the base to resist lengt... | 08/16/2005 |
| 6918214 | Antiperch device for birds An antiperch device for deterring birds from perching on undesired perch locations. The device includes various embodiments which are constructed of wires forming arcs and/or wires that are parallel to and spaced above an object such as a light fixture to be protect... | 07/19/2005 |
| 6514010 | Containment/exclusion boom with bird deterrent A containment/exclusion boom including a support system which can be positioned in a body of water, a curtain made of a flexible fabric that allows movement of water therethrough, the curtain being connected to the support system, and a bird deterring dev... | 02/04/2003 |
| 6508204 | Method and apparatus for dispersing pigeons A method is provided for dispersing pigeons from a building structure in which the pigeons roost. The method utilizes a horizontally oriented light beam. The light beam is positioned two to six inches above the surface on which the pigeons roost. The beam... | 01/21/2003 |
| 6418674 | Bird repellant method and system The present invention is directed to a line barrier system and method of installing such a system which includes, a plurality of modular supports having a base for mounting to the structure, with the supports having at least one projecting member extendin... | 07/16/2002 |
| 5974998 | Apparatus for foiling bird landings A device that prevents birds from landing atop a masthead of a boat or wind indicating devices mounted on the masthead includes an upstanding post having an upper end positioned above the top of the mast and any wind indicating devices. A plurality of rod... | 11/02/1999 |
| 5713160 | Retractable bird deterring device A retractable device for deterring birds from landing, roosting or nesting on a surface of a building structure, the device including at least two holding mechanisms each having a mounting member to be attached to the building structure and an arm for sec... | 02/03/1998 |
| 5476062 | Seagull guard A device prevents birds from flying near and landing on a boat having a periphery. The device includes a post centrally mounted on the boat with a top end position above the highest point of the boat. A series of cables extends between the top end of the ... | 12/19/1995 |
| 5406907 | Controlled pan feeder system for poultry An animal pan feeder system, particularly for raising domestic birds and animals, and particularly for controlling the level of the feed in the pan, includes a pan assembly which has an adjustable skirt that determines the level of the feed, such skirt be... | 04/18/1995 |
| 5233940 | Piglet protection apparatus In a pre-weaned piglet protector, sharp bursts of compressed air from dome shaped nylon air nozzles located one foot away from each other longitudinally in a farrowing area are used to irritate baby piglets. The farrowing area has a safety zone where the ... | 08/10/1993 |
| 4962619 | Apparatus for deterring birds Improvements to a bird deterrent apparatus comprising a coiled wire in which the wire is attached to an elongate strip having flaps punched therein which are bent and crimped over the wire to hold it in position, and a spring having bent end loops used to... | 10/16/1990 |
| 4841914 | Method and apparatus for deterring birds Undesirable bird perches are eliminated by attaching to the perch location a small gauge wire in a spiral shape, the wire being of sufficiently light gauge so as not to stably support the birds utilizing the perch, but of sufficiently heavy gauge, and the... | 06/27/1989 |
| 4779571 | Poultry watering system A novel poultry watering apparatus including a central support member suspended from a ceiling, from which watering apparatus including a feed pipe and a plurality of poultry watering cups is in turn suspended. Anti-roost apparatus is supported on a plura... | 10/25/1988 |
| 4262169 | Aerial cable guard A cable guard having a cover which rotates about an aerial cable when stepped upon by an animal. A weight maintains the cover in an upright position when no animals are on the cover.... | 04/14/1981 |
| 4143437 | Anti-roost device An anti-roost device for use in combination with sea buoys and the like comprising an annular base to support an annularly disposed outer anti-roost member coupled thereto by a plurality of vertically disposed spring-like members together with a plurality... | 03/13/1979 |
| 4038639 | Bird perch alarm A bird perch alarm characterized by a perch assembly responsive to the weight of a bird, the movement thereof completing electrical circuitry and causing an audible signal. Resilient means form a part of the perch assembly, affording critical sensitivity ... | 07/26/1977 |
