LibGuides: Llenyddiaeth lwyd: Gwyddoniaeth a Pheirianneg

Cymorth

Mae'r dudalen hon yn rhoi gwybodaeth am rai o'r lleoedd i chwilio am lenyddiaeth lwyd mewn Gwyddoniaeth a Pheirianneg. Edrychwch yng Nghanllaw'r Llyfrgell sy’n benodol ar gyfer eich pwnc am ragor o wybodaeth.

I gael rhagor o gymorth a chyngor ar lenyddiaeth lwyd, cysylltwch â thîm pwnc y Llyfrgell ar gyfer Gwyddoniaeth a Pheirianneg: Library-ScienceEngineering@swansea.ac.uk

Patentau

Intellectual Property Office: Patents The Patents Publication Enquiry Service covers all GB applications published and granted after 3 January 2007 and all GB corrected documents published after 1 April 2010.
Espacenet - Worldwide Patent Search Espacenet - worldwide database includes full collection of published patent applications from 80+ countries around the world. You can choose to search the entire patent database, or to link to a patent office database by country (e.g GB Espacenet).
Espacenet Patent Register (EPO European Patent Office) Espacenet offers free access to more than 90 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today. The databases covers patents from 90+ patent authorities around the world.
Patentscope (WIPO)
US Patent and Trademark Office
World Intellectual Property Organization (WIPO) Patent Cooperation Treaty - WIPO provides access to a database of published international patent applications.

ChemSpider

ChemSpider This link opens in a new window
Cronfa ddata strwythur cemegol sy'n darparu mynediad cyflym i dros 67 miliwn o strwythurau, eiddo, a gwybodaeth gysylltiedig.

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