LexDanaLexDanabeta
Inventor

Steven Spears

Inventor
Hurst, TX, US

Overview

5→
Patents
2014–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B64Cprimary
B64CAeroplanes31%
F16CShafts15%
F16FSprings15%
B64DEquipment for fitting in or to aircraft8%
F16DCouplings for transmitting rotation8%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves8%
G01MTesting static or dynamic balance of machines or structures8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,364,848Helical drive coupling201910,287,005Friction damper with centering flexure201910,259,572Torsional anomalies detection system20199,841,077'Rotating shaft damping with electro-rheological fluid'20178,840,062'Pylon mounting system with vibration isolation'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to SEIFERT MICHAEL S (1)· patent assignee history
2014Patents assigned to SMITH MICHAEL R (1)· patent assignee history
2014Patents assigned to SPEARS STEVEN (1)· patent assignee history
2014–2019Based in Hurst, TX, US· patent location history
2017–2019Patents assigned to BELL HELICOPTER TEXTRON INC (4)· patent assignee history
2019Patents assigned to Hale Rodney Keith (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL HELICOPTER TEXTRON INC42017–2019
Hale Rodney Keith12019
SEIFERT MICHAEL S12014
SMITH MICHAEL R12014
SPEARS STEVENself12014
Locations
LocationPatentsSpan
Hurst, Texas, US52014–2019