Inventor · disambiguated record
David Letter
Also filed as: LETTER DAVID
7 granted patents·39 citations·filing 2015–2017
79Inventor score
Files withSIEMENS ENERGY INC7
Top patents by PatentIndex Score
7 records- 0194US9709463B2Method and system for surface profile inspection of off-line industrial gas turbines and other power generation machinerySIEMENS ENERGY INC·Filed 2015·Granted Jul 18, 2017·14 cites·20 claims
- 0293US9778141B2Video inspection system with deformable, self-supporting deployment tetherSIEMENS ENERGY INC·Filed 2015·Granted Oct 3, 2017·19 cites·16 claims
- 0381US10041371B1In-situ measurement of blade tip-to-shroud gap in turbine engineSIEMENS ENERGY INC·Filed 2015·Granted Aug 7, 2018·4 cites·2 claims
- 0463US10274718B2Single-axis inspection scope with anti-rotation extension and method for internal inspection of power generation machinerySIEMENS ENERGY INC·Filed 2017·Granted Apr 30, 2019·1 cites·20 claims
- 0563US9948835B2Single-axis inspection scope with spherical camera and method for internal inspection of power generation machinerySIEMENS ENERGY INC·Filed 2016·Granted Apr 17, 2018·1 cites·20 claims
- 0649US10189045B2Blackbody material application system for a turbineSIEMENS ENERGY INC·Filed 2016·Granted Jan 29, 2019·0 cites·20 claims
- 0737US10281712B2Single-axis inspection scope with bendable knuckle and method for internal inspection of power generation machinerySIEMENS ENERGY INC·Filed 2017·Granted May 7, 2019·0 cites·20 claims
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