Technical FAQs 4

How do wind energy patents work?

Methodology for wind energy application can be generalized for patent searching to target other technology domains. Wind energy patents are conventionally defined using Cooperative Patent Classification (CPC) and International Patent Classification (IPC) codes that represent wind motors (F03D) and wind energy (Y02E 10/70).

Can wind energy patents be retrieved using conventional codes?

Patents retrieved using conventional codes for wind energy underrepresent patents from China and published since 2010. Methodology for wind energy application can be generalized for patent searching to target other technology domains.

How many patents are used in a wind energy application?

The number of patents used in all four samples on the wind energy application are outlined in Table C1. The sample size used for Sample 2 (Keyword Set – WEDD1) is 257, which is between 5 and 10% margin of error.

Who helped with wind energy patent sampling?

The authors also further thank Jacob Davis, Hannah Johlas, Marianna Albuquerque, and Samuel Roach for their help on wind energy patent sampling. Table A1. Keyword Comparison Analysis of the Conventional Classification Codes (WEDD1) vs. New Additions. Table B1. Expanded Code List.

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