Assignee
CHELF JONATHAN DAVID
US·3 granted patents·9 citations·filing 2007–2013
Top patents by PatentIndex Score
3 records- 0173US8858308B2Methods and apparatus for efficiently pressurizing and ventilating an air-supported structureCHELF JONATHAN DAVID·Filed 2007·Granted Oct 14, 2014·7 cites·22 claims
- 0258US9810236B2Fan blade with flexible airfoil wingCHELF JONATHAN DAVID·Filed 2012·Granted Nov 7, 2017·2 cites·19 claims
- 0343US10060129B2Inflatable, retractable light diffuser, shading and thermal insulation systemCHELF JONATHAN DAVID·Filed 2013·Granted Aug 28, 2018·0 cites·9 claims
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