Inventor
Cecil E. Covington
Inventor
Hurst, TX, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Cprimary
B64CAeroplanes61%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
B29CShaping or joining of plastics4%
B29DProducing particular articles from plastics or from substances in a plastic state4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
F01DNon-positive displacement machines or engines, e.g. steam turbines4%
F16CShafts4%
Y02TClimate change mitigation technologies related to transportation4%
PatentTitleYear
7,153,094'Rotor system vibration absorber'20066,764,280'Multi-bladed tail rotor hub design for coriolis relief'20046,616,095'Coupled aircraft rotor system'20036,371,681'Anti-rotation clip'20025,868,351'Rotor blade stowing system'19995,647,726'Rotor system vibration absorber'19975,358,381'Yoke for helicopter rotor systems'19945,074,753'Rotor blade'19915,031,858'Apparatus and method for folding and locking rotor blades'19914,427,340'Soft inplane bearingless helicopter rotor'19844,306,837'Bearingless tail rotor for helicopters'19814,299,540'Tail rotor blade'19814,257,739'Soft inplane helicopter rotor'19814,252,504'Helicopter blade folding system'19814,120,610'Helicopter blade structure'19784,083,656'Composite rotor blade'19783,942,910'Grip-yoke assembly with a redundant centrifugal load support'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to TEXTRON INC (7)· patent assignee history
1976–1999Based in Hurst, TX, US· patent location history
1984–2006Patents assigned to BELL HELICOPTER TEXTRON INC (10)· patent assignee history
2002–2006Based in Azle, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BELL HELICOPTER TEXTRON INC | 10 | 1984–2006 |
| TEXTRON INC | 7 | 1976–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hurst, Texas, US | 13 | 1976–1999 |
| Azle, Texas, US | 4 | 2002–2006 |