Inventor

Wayne S. Steffier

Inventor
Huntington Beach, CA, US

Overview

16→
Patents
1992–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
C04BLime, magnesia16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
F01DNon-positive displacement machines or engines, e.g. steam turbines8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
Y02TClimate change mitigation technologies related to transportation6%
B23PMetal-working not otherwise provided for4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
F02KJet-propulsion plants4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
PatentTitleYear
11,117,838Method of making a fiber preform for ceramic matrix composite (CMC) fabrication202111,053,801Gas turbine engine composite vane assembly and method for making the same202110,941,942Retention system for gas turbine engine assemblies202110,577,951Gas turbine engine with dovetail connection having contoured root202010,174,619Gas turbine engine composite vane assembly and method for making same20197,988,395'Mechanical fastener system for high-temperature structural assemblies'20117,479,302'Actively-cooled fiber-reinforced ceramic matrix composite rocket propulsion thrust chamber and method of producing the same'20096,979,490'Fiber-reinforced ceramic composite material comprising a matrix with a nanolayered microstructure'20056,783,824'Actively-cooled fiber-reinforced ceramic matrix composite rocket propulsion thrust chamber and method of producing the same'20045,558,907'Pseudo-porous fiber coating for toughened ceramic composite materials and method of producing same'19965,545,435'Method of making a toughened ceramic composite comprising chemical vapor deposited carbon and ceramic layers on a fibrous preform'19965,480,707'Toughened ceramic composite materials comprising coated refractory fibers in a ceramic matrix wherein the fibers are coated with carbon and an additional coating of ceramic material and carbon mixture'19965,455,106'Multilayer fiber coating comprising alternate fugitive carbon and ceramic coating material for toughened ceramic composite materials'19955,337,974'Wing pivot structure'19945,221,578'Weak frangible fiber coating with unfilled pores for toughening ceramic fiber-matrix composites'19935,162,271'Method of forming a ductile fiber coating for toughening non-oxide ceramic matrix composites'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to NORTHROP CORP (2)· patent assignee history
1992–2021Based in Huntington Beach, CA, US· patent location history
1995–2004Patents assigned to HYPER THERM HIGH TEMPERATURE C (4)· patent assignee history
2005–2011Patents assigned to STEFFIER WAYNE S (3)· patent assignee history
2019–2021Patents assigned to ROLLS ROYCE NAM TECH INC (4)· patent assignee history
2020–2021Patents assigned to ROLLS ROYCE HIGH TEMPERATURE COMPOSITES INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYPER THERM HIGH TEMPERATURE C41995–2004
ROLLS ROYCE NAM TECH INC42019–2021
ROLLS ROYCE HIGH TEMPERATURE COMPOSITES INC32020–2021
STEFFIER WAYNE Sself32005–2011
NORTHROP CORP21992–1993
Locations
LocationPatentsSpan
Huntington Beach, California, US161992–2021