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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7857950 | Sacrificial anode mounting system A mounting plate assembly for selectively securing a sacrificial anode to the exposed surface of a tank or boat hull. The mounting plate assembly provides for a pair of watertight space mounting studs to be extended through the attached surface and provide anode eng... | 12/28/2010 |
| 7727362 | Sacrificial anode for cathodic corrosion protection The invention pertains to a sacrificial anode for cathodic corrosion protection that comprises an anode body (1), a mounting component (8) for mounting the sacrificial anode on the device to be protected, an insulating component (4) that in cert... | 06/01/2010 |
| 7381312 | Cathodic protection system for a marine propulsion device with a ceramic conductor A ceramic conductor is supported by an electrically insulative support member for attachment directly to a marine propulsion drive and for use as either an anode or electrode in a corrosion prevention system. The ceramic conductor is received within a depression for... | 06/03/2008 |
| 7374643 | Composite sacrificial anodes The invention relates to composite sacrificial anodes, particularly but not exclusively, based on magnesium, and to methods for their production. The composite sacrificial anode (10) for immersion in a corrosive environment comprises a plurality of castings (... | 05/20/2008 |
| 7329336 | Stabilizer with cathodic protection A cathodic protection system for protecting an underwater structure includes a plurality of blocks which are capable of conforming to various structures. Each of the blocks include: a flexible wire rope, the rope constructed and ar... | 02/12/2008 |
| 7276144 | Cathodic protection Cathodic protection of a structure including a steel member at least partly buried in a covering layer, such as steel rebar in a concrete structure, is provided by embedding sacrificial anodes into the concrete layer at spaced positions over the layer and connecting... | 10/02/2007 |
| 7258780 | Corrosion protection apparatus and method An apparatus and method for protecting a structure from corrosion, according to which the apparatus includes two pivotally connected members, at least one anode device connected to at least one of the members, and a resilient component engaged with the members. ... | 08/21/2007 |
| 7189312 | Under water cable system having an earthing electrode An earthing electrode assembly and method for providing a submerged electrical apparatus with an earth path, the electrode assembly having an earthing electrode, an attachment device for attaching the electrode assembly to a cable, and an insulated electrical connec... | 03/13/2007 |
| 7017251 | Resistored anode and a water heater including the same Apparatus and method of incorporating a resistive interface between an anode rod and a water heater tank connector. The resistive interface can include a conductive polymer material or coating. ... | 03/28/2006 |
| 6922886 | APT-1 (anode placement tool-model 1) An apparatus designed for installing anode bracelets upon pipes used in cathodic protection systems. The apparatus includes a pair of grasp booms which hold the anode bracelet during installation of the bracelet around the pipe to be cathodically protected. The gras... | 08/02/2005 |
| 6572760 | Cathodic protection Cathodic protection of a structure including a steel member at least partly buried in a covering layer, such as steel rebar in a concrete structure, is provided by embedding sacrificial anodes into the concrete layer at spaced positions over the layer and... | 06/03/2003 |
| 6461082 | Anode system and method for offshore cathodic protection A cathodic protection system for offshore structures includes an elongated electrode carrier, such as a pipe, with a plurality of sacrificial anodes attached, that is placed on the ocean floor and electrically connected to the structures to be protected. ... | 10/08/2002 |
| 6358397 | Doubly-protected reinforcing members in concrete A concrete structure is reinforced with steel rebars coated with essentially pure aluminum in the range from about 0.25 mm to 2 mm thick upon which aluminum coating is an aluminum oxide layer in the range from 0.1 μm to 100 μm thick. This layer of alumi... | 03/19/2002 |
| 5932087 | Submersible anode and method An anode and bracket assembly for attaching sacrificial anodes to submerged structures utilizes one or more shepard's hook hanger brackets. The anode or anodes are cast directly on the bracket with a relatively deep spiral grooved profile for vortex shedd... | 08/03/1999 |
| 5910236 | Electrodes for electro-chemical corrosion protection systems An electrode for use in electro-chemical corrosion protection systems, such as cathodic and anodic metal corrosion protection, is in electric contact with a ionically conducting medium. It comprises at least two electrically non-conducting barriers, space... | 06/08/1999 |
| 5902463 | Submersible anode and method An anode and mounting bracket assembly is designed to seat quickly and easily on cylindrical or tubular underwater structures. The anodes span between end plates which include notches or recesses in which the tubular structure seats. The recesses include ... | 05/11/1999 |
| 5876575 | Method and apparatus for treatment of water There is disclosed a method, and the apparatus useful in the method, for the treatment of water in which the treatment unit is formed of a vessel having a treatment chamber with interior surfaces formed entirely of a nonferrous metal, preferably of copper... | 03/02/1999 |
| 5373728 | Galvanic anode device and electrolysis control monitor The use of a sacrificial anode in a plumbing system or in the cooling system of an internal combustion engine or the like to protect the system against the destructive effects of electrolysis caused by the many different metals employed in modern plumbing... | 12/20/1994 |
| 5011583 | Corrosion prevention for a marine propulsion system A marine propulsion system of the type having a sacrificial anode for corrosion protection of the casing includes structure whereby the propeller is electrically insulated from the casing and the sacrificial anode. The structure includes spacers made of i... | 04/30/1991 |
| 4957461 | Idling noise silencer for marine propulsion unit A marine outboard drive including an exhaust system that includes a baffle plate which is disposed across the low speed exhaust gas opening and which defines a plurality of ribs to break up the exhaust gas bubbles during idling for silencing. The baffle p... | 09/18/1990 |
| 4948384 | Marine propulsion device anode arrangement A marine propulsion device comprising a gear housing adapted to be mounted on the transom of a boat, a bearing housing supported by the gear housing, a bearing mechanism supported by the bearing housing, a propeller shaft supported by the bearing mechanis... | 08/14/1990 |
| 4941775 | Cathodic protection of critical offshore marine structure critical components by making the critical component noble (passive) to the balance of the platform A corrosion protection system for protecting critical parts of an offshore structure. The structure is composed of an assembly of critical parts representing a small portion of the structure and noncritical parts representing a large portion of the struct... | 07/17/1990 |
| 4910865 | Method of forming an anode cap assembly An anode cap assembly comprising a stamped metal cap having a generally cylindrical inner section and a closed outer section. An anode rod formed of a metal electronegative to steel is disposed in the cylindrical inner section and the steel core wire of t... | 03/27/1990 |
| 4890755 | Internal corrosion protection of metal tanks A corrosion protection system for steel or corrodible metal storage tanks and the like uses two external electrodes which develop a voltage potential used to protect against internal corrosion. One of the external electrodes is connected to an internal sa... | 01/02/1990 |
| 4855029 | Integral cathodic protection device A sacrificial anode is made in the form of a disk with a tire made of a sacrificial anodic material. The disk has a central hole which fits over one of two parts to hold the disk in place, as between two telescoping parts, for example. A number of alterna... | 08/08/1989 |
| 4773977 | Anode mounting construction for a water heater An improved anode mounting construction for a water heater. The inner surface of a steel water heater tank is coated with a corrosion resistent material, such as glass, and the tank is provided with an opening which receives an anode rod. The outer end of... | 09/27/1988 |
| 4629366 | Offshore marine structure with corrosion protection A marine structure adapted to be at least partially submerged at an offshore body of water to drill wells into the ocean floor and to produce fluids therefrom. A corrosion deterrent system for protecting the submerged members of the structure comprises sa... | 12/16/1986 |
| 4604068 | Marine propulsion device lower unit including propeller bearing member anode A lower unit for a marine propulsion device, which lower unit comprises a drive shaft housing having a lower end, a gear case housing connected to the lower end of the drive shaft housing, a propeller shaft located in and extending axially through the gea... | 08/05/1986 |
| 4415293 | Offshore platform free of marine growth and method of reducing platform loading and overturn Method of prevent marine growth on the shallow water portions of platform legs by applying a polymer coating to the legs and covering the polymer with a copper-nickel alloy anti-fouling covering.... | 11/15/1983 |
| 4309263 | Cathodic clamp apparatus A clamp apparatus is provided for use in securing cathodic protection, single anodes, double anodes, riser clamps and the like to the offshore drilling platforms and the like in a marine environment. The apparatus provides a U-shaped channel for fitting a... | 01/05/1982 |
| 4202751 | Sacrificial anode and apparatus employing same for treating hot sea water A sacrificial anode for use in preventing corrosion of copper alloy parts and hydrogen absorption in titanium or titanium alloy parts of an apparatus useful for treating hot sea water, comprising a metal or metal alloy which maintains the potential of sai... | 05/13/1980 |
| 4191625 | Aluminum marine anode assembly with low resistance surface mountings An aluminum marine anode assembly is constructed by casting a mass of marine aluminum alloy as an anode with a partially exposed core of activator material in place. The anode is configurated to provide good conductive contact between the aluminum alloy a... | 03/04/1980 |
| 4013811 | Laminated anode A laminated anode including a layer of sacrificial metal and a layer of impermeable material. The laminated anode is utilized to protect a metal mold from corrosion where the mold is used for processing a corrosive meat material.... | 03/22/1977 |
