Electric Switches; Relays; Selectors; Emergency Protective Devices - Industry Patent Mapping Report
- ID: 226540
- January 2004
- Region: Global
- 16 pages
- 3i Analytics
Contacts; Mechanisms for operating contacts; Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement; Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts; Apparatus or processes specially adapted for the manufacture of electric switches; Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch; Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch; Switches having flexible operating part adapted only for pulling, e.g. cord, chain; Switches operated by angular displacement of the operating part thereof acted upon directly by a solid body external to the switch, e.g. by a hand, wherein this part may be turned through an unlimited or unspecified angle; Switches operated by angular displacement of the operating part thereof acted upon directly by a solid body, e.g. by a hand, wherein this part may be turned through
a restricted angle only; Tumbler switches, i.e. actuated by digitally rocking a part of the switch in one plane only; Switches with compound movement of handle or other operating part; Switches operated by a removable member, e.g. key, plug, plate; Switches operated by setting members according to a single predetermined combination out of several possible settings; Switches having at least one liquid contact; Air-break switches for high tension without arc-extinguishing or arc-preventing means; High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches operated by change of a physical condition; Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding; Thermally-actuated switches; Switching devices actuated by an explosion produced within the device and initiated by an electric current; Switches providing a selected number of consecutive operations of the contacts by a single manual actuation of the operating part; Time or time-programmed switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed; Details of relays; Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energizing current; Apparatus or processes specially adapted to the manufacture of relays or parts thereof; Details of electromagnetic relays; Electromagnetic relays; Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them; Magnetostrictive relays; Electrostrictive relays; Piezo-electric relays; Electrostatic relays; Electro-adhesion relays; Electro thermal relays; Details of electrically-operated selector switches; Apparatus or processes specially adapted to the manufacture of selector switches or parts thereof; Electrically-operated selector switches; Apparatus or processes for the manufacture of emergency protective devices; Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism; Protective overload circuit breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism; Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting; Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected; Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting; Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current; Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive; Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling. [20,000 Patents]
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The International Patent Classification (IPC) is a hierarchical system in which the whole area of technology is divided into a range of sections, classes, subclasses and groups. This system is indispensable for the retrieval of patent documents in the search for establishing the novelty of an invention or determining the state of the art in a particular area of technology. US Patent Classification UPC classify a patent according to all information in patent specification while IPC classify a patent according to only patent claims. UPC stresses on the function of intrinsic characteristics of product or processing.
As IPC or UPC are not viable in themselves for assigning an invention to an industry, because they focus specifically on the technology, not on industries that may manufacture or use the technology, it is necessary to assign inventions to industries.
We have undertaken a concordance (matching) of IPC (International Patent Classification ) and (US Patent Classification) UPC to NAICS (North American Industrial Classification System -this new, uniform, industry-wide classification system has been designed as the index for statistical reporting of all economic activities of the U.S., Canada, and Mexico). This extensive exercise assigns patent classifications to industries based on NAICS codes. The results are summarized in the following categories:
- Primary Industries: Agribusiness, Fishing and Forestry, Mining
- Secondary Industries: Construction, Food & Accessory Manufacturing, Metal & Machinery Manufacturing, Electronic Goods Manufacturing, Miscellaneous Manufacturing
- Tertiary Industries: Wholesale & Retailing, Transportation, Services
- Quarternary & Quinary Industries: Information & Research, Health & Education, Cultural & Entertainment, Personal & Others
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1. Assignee Patent Map
2. Assignee Country Patent Map
3. Attorney-Agent-Firm Patent Map
4. Application/Filing Year Patent Map
5. Inventor Patent Map
6.Technology Class (IPC) Patent Map
7. Sub-Technology (IPC) Patent Map
8. Publication/Grant Year Patent Map
9. Priority Year Patent Map
10. Technology Class (UPC) Patent Map
11. Sub-Technology (UPC) Patent Map
12. Backward Citation Patent Map
13. Forward Citation Patent Map