Wayne H. Tuttle — 9 Patents at Keystone Engineering

Wayne H. Tuttle has been granted 9 US patents while listed as an inventor at Keystone Engineering. The first was granted in 1990 and the most recent in September 2020. Wayne H. Tuttle ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Wayne H. Tuttle in Torrance, CA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10779602	Protective headwear to reduce risk of injury	Lisa C. Whitaker	2020-09-22
10611503	Center of mass control of liquid tanks for spacecraft use	Robert C. Manning, Ian Ballinger	2020-04-07
10479532	Stress relieved welds in positive expulsion fuel tanks with rolling metal diaphragms	Ian Ballinger	2019-11-19
10139047	Stress relieved welds in positive expulsion fuel tanks with elastomeric diaphragm	Ian Ballinger	2018-11-27
10088103	Method of fabricating space satellite tank components utilizing additive manufacturing and spin forming	Ian Ballinger	2018-10-02
9840752	Method and apparatus for performing a localized post-weld heat treatment on a thin wall metallic cylinder	—	2017-12-12
8534489	Demisable fuel supply system	David L. Adams, Marcial Alexander Anaya, Jeffry K. Pearson	2013-09-17
8511504	Demisable fuel supply system	—	2013-08-20	$10,006,000
4963715	Variable polarity power supply for welding	—	1990-10-16

Wayne H. Tuttle — 9 Patents

Issued Patents All Time

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