Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7425249 | Subsea solar powered test station with voltage readout Apparatus 10 discloses a subsea monitoring station using solar cells to energize at least one electronic circuit incorporating at least one node having a determinable circuit value or other parameter test station providing a full time voltage readout, powered... | 09/16/2008 |
| 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 |
| 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 |
| 7191664 | Testing of mechanical properties of materials Apparatus is disclosed for testing the mechanical properties of a material. The apparatus comprises a sample container (10) adapted to be filled with a sample of the material, and a housing (20) within which the sample container (10) is, in use,... | 03/20/2007 |
| 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 |
| 7185580 | Fluid-actuated contraction drive and associated contraction tube A fluid power contractile drive comprising a contractile hose (2), which on fluid actuation of an actuation space (7) delimited by it undergoes longitudinal contraction and which at its two terminal regions (5 and 6) is adapted to be, or ... | 03/06/2007 |
| 7081187 | Internal cathodic protection system A cathodic protection system for internal surfaces of a pipeline is provided which includes a flexible anode assembly having a first and a second end and having at least one flexible anode wire having a first end and a second end. First and second removable pressure... | 07/25/2006 |
| 7074305 | Pipeline support The present invention is directed at a pipeline support for reducing corrosion on a pipeline surface comprising support fill material, a case for housing the support fill material; wherein when a cathodic protective current contacts the support, the current flows th... | 07/11/2006 |
| 6919005 | Configuration and electro-osmotic pulse (EOP) treatment for degrading porous material A configuration and treatment for degrading porous material, e.g., concrete, brick, or other masonry material, via rapid, efficient electro-osmosis. One application carries dehydration to an extent that it weakens a structure for demolition by significantly dehydrat... | 07/19/2005 |
| 6858117 | Cathodic protection device for flexible pipes The flexible pipe comprises a plastic sealing sheath and an inner plastic sheath which define an annular space in which structural elements are placed. The structural elements comprising at least one armor ply consisting of metal wires wound helically with a long pi... | 02/22/2005 |
| 6315876 | Cathodic protection system A preassembled cathodic protection system is provided for protecting buried structures such as guy anchors, which includes a reference cell, test station and anode, all prewired together and tested before delivery and field installation. The package inclu... | 11/13/2001 |
| 6238545 | Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline An anode is embedded in an electrolyte layer applied to the surface of a structure such as a pipe section to provide an ionic conductive path between the anode and structure to supply cathodic protection to the structure, where the natural environment may... | 05/29/2001 |
| 6193857 | Connector for use in cathodic protection and method of use Cathodic protection of concrete-reinforcing steel reinforcing elements is accomplished utilizing an anode of a metal (e.g. zinc) having a more negative electrical potential than the steel reinforcing element, and connecting at least one wire made of a duc... | 02/27/2001 |
| 6187161 | Reference cell An integrated cell and the test station is disclosed in a unitary package which includes internally encapsulated wiring connections at both the cell and test station. The cell and test station are tethered together by a flexible bungee tube which can be c... | 02/13/2001 |
| 6056867 | Ladder anode for cathodic protection A flexible, nonstretchable, titanium, ladder anode for cathodic protection of steel reinforced concrete structures formed of multiple titanium strips including multiple electric current-carrying titanium strips. Ladder anodes of titanium without an electr... | 05/02/2000 |
| 5948218 | Corrosion protection system An elongate electrode, usually an anode, is provided, suitable for use in an impressed current corrosion protection system. The electrode comprises a central elongate core, usually a metal such as copper, an optional conductive polymeric composition surro... | 09/07/1999 |
| 5885427 | Cast iron anode and method of making A solid high silicon cast iron elongated anode has a midpoint electrical connection keeping the connection as far as possible from the ends to combat the deleterious pencil effect. The anode is made by casting using a hollow or shell core to form a small ... | 03/23/1999 |
| 5759361 | Cathodic protection system for a steel-reinforced concrete structure An anode for cathodically-protected steel-reinforced concrete is embedded in an ion-conductive overlay on the concrete structure. The anode comprises at least one sheet of highly expanded valve metal mesh having a pattern of voids defined by a network of ... | 06/02/1998 |
| 5639358 | Cathodic protection system for a steel-reinforced concrete structure An anode for cathodically-protected steel-reinforced concrete is embedded in an ion-conductive overlay on the concrete structure. The anode comprises at least one sheet of highly expanded valve metal mesh having a pattern of voids defined by a network of ... | 06/17/1997 |
| 5569526 | Anode structure for cathodic protection of steel-reinforced concrete and relevant method of use The present invention relates to a method for cathodic protection of steel reinforced concrete which comprises using an anode structure made of an array of valve metal strips activated by an electrocatalytic coating and having voids therein, supported by ... | 10/29/1996 |
| 5531873 | Electrode arrangement to be used in the cathodic protection of concrete structures and a fixing element The invention relates to a method for fixing an electrode arrangement to be used in the cathodic protection of concrete structures. In the method, an anode (20) is mounted in a framework (11) and the framework with its anodes is mounted on the concrete st... | 07/02/1996 |
| 5512153 | Corrosion protection system An impressed current corrosion protection system comprises a distributed anode in the form of a conductive core (4) covered with a conductive polymeric coating (6) and surrounded by packed coke (8) contained within a polymeric jacket (18). This outer jack... | 04/30/1996 |
| 5411646 | Cathodic protection anode and systems A continuous length anode is formed of relatively small valve metal wire having a electrocatalytic coating braided into a highly flexible ribbon. The wire may be copper cored. The valve metal is preferably titanium, although tantalum or niobium are also p... | 05/02/1995 |
| 5384020 | Anode structure for cathodic protection against corrosion, and method for making the anode structure Apparatus and method for sealing an electrical connection between an anode structure for cathodic protection against corrosion and a connecting cable with an electrically insulating jacket, an annular body of elastic material, such as rubber for example, ... | 01/24/1995 |
| 5320722 | Electro-chemical method for minimizing or preventing corrosion of reinforcement in concrete, and related apparatus A process and system for rehabilitating mature concrete structures, which have become carbonated and/or infused with chlorides and thus represent a corrosive environment for internal reinforcing steel. The surface of the concrete is first repaired with a ... | 06/14/1994 |
| 5296120 | Apparatus for the removal of chloride from reinforced concrete structures The present invention resides in an apparatus for removing chloride ions from a reinforced concrete structure. The apparatus comprises an integrated anode assembly which includes an anode and an electrolyte, the anode being immersed in the electrolyte. Th... | 03/22/1994 |
| 5290407 | System for controlling corrosion in an environment in which thin layers of low-pH corrosive fluids are formed A system for preventing corrosion of a metallic surface in an environment in which a corrosive condensate with a pH of less than about 3 tends to form on the surface exposed to the environment. The system includes an absorbent lining formed from a concret... | 03/01/1994 |
| 5176807 | Expandable coil cathodic protection anode A cathodic protection system for a tank has an anode which comprises a long extendible coil of wire of a valve metal coated with a suitable electrically conductive ceramic material. The coil provides reduced electrolyte resistance and power consumption. A... | 01/05/1993 |
| 5055166 | Surface mounted cathodic protection anode and method of use Methods of cathodically protecting structures, anode assemblies used therein and the structures protected thereby. One embodiment of the structure basically consists of a base layer of concrete and, in the case of paved structures, an overlay material dis... | 10/08/1991 |
| 4936969 | Water tank cathodic protection system A cathodic protection system for metal water tanks in which one or more anodes are attached to a buoyant suspension unit. The suspension unit is secured by guys to both the walls and the floor of the tank, thus minimizing ice damage and system incapacity ... | 06/26/1990 |
| 4526666 | Method for electrically connecting non corrodible anodes to the corrodible core of a power supply cable The invention relates to an improved method to connect one or more non corrodible, valve metal anodes whose surface has been activated by a deposit of non passivatable material, to a power supply cable, insulated by a sheath of rubber or other elastomeric... | 07/02/1985 |
| 4442903 | System for installing continuous anode in deep bore hole A method and apparatus for installing continuous anodes in deep bore holes in order to cathodically protect underground metal structures situated adjacent said bore holes. The system is readily adapted to be used with either replaceable or non-replaceable... | 04/17/1984 |
| 4434039 | Corrosion protection system for hot water tanks Protection from corrosive effects of water in hot water tanks is provided by an electrochemically active noble metal type anode disposed in the hot water tank and supplied by a selected level of current passing from the anode through the water to the tank... | 02/28/1984 |
| 4400259 | Deep anode assembly A cathodic protection system having a deep bed anode assembly including a readily replaceable anode. The anode assembly is located within a deep bore hole which is filled with an electrically conductive particulate material up to a predetermined height. T... | 08/23/1983 |
| 4298445 | Anode for cathodic protection system A cathodic protection anode incorporating a latticework anode of increased strength.... | 11/03/1981 |
| 4268371 | Cable guide for a tubular anode A cable guide for an impressed current tubular sacrificial anode is a cable conduit sized to enclose and hermetically seal an anode cable and a plurality of spacers removably mounted along the conduit at spaced locations and sized to fit in abutting relat... | 05/19/1981 |
| 4265725 | Anode connection An apparatus for and method of making a connection between an electrical conductor and an anode so that the conductor is attached to the anode to supply electrical energy thereto for use in cathodic protection systems. The apparatus includes male and fema... | 05/05/1981 |
| 4255241 | Cathodic protection apparatus and method for steel reinforced concrete structures A cathodic protection system and method for steel reinforcement in concrete structures such as bridge decks, parking garage decks and highways utilizes platinized niobium or like metal wire anodes strategically positioned adjacent the concrete in a matrix... | 03/10/1981 |
| 4140613 | Sealed terminal A sealed terminal of invention is used for a metal vessel containing water and has improved characteristics such as anticorrosive characteristics, water sealing characteristic and high mechanical strength and insulating characteristic. A terminal conducto... | 02/20/1979 |