Fold-lock and pitch-lock systems
US-12534186-B2 · Jan 27, 2026 · US
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Maresh Andrew patents
Maresh Andrew is listed as an inventor on 37 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Maresh Andrew |
| Total patents | 37 |
| First publication | Nov 29, 2016 |
| Latest publication | Jan 27, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Clutched centrifugal force bearing
US-12320392-B2 · Jun 3, 2025 · US
Fold-lock and pitch-lock systems
US-2025100674-A1 · Mar 27, 2025 · US
Chord lock assembly for a tiltrotor aircraft
US-12162594-B2 · Dec 10, 2024 · US
Clutched centrifugal force bearing
US-2024301918-A1 · Sep 12, 2024 · US
Universal-joint rotor-hub method and system
US-2024286741-A1 · Aug 29, 2024 · US
Over-centering blade lock
US-11975831-B2 · May 7, 2024 · US
Passive proprotor-blade retention systems
US-11814153-B2 · Nov 14, 2023 · US
Passive proprotor-blade retention systems
US-2023182887-A1 · Jun 15, 2023 · US
Over-centering blade lock
US-2023086036-A1 · Mar 23, 2023 · US
Recent patents
Latest publications not already listed above.
Chord Lock Assembly for a Tiltrotor Aircraft
US-2023067093-A1 · Mar 2, 2023 · US
Over-centering blade lock
US-11535370-B2 · Dec 27, 2022 · US
Length adjustable link
US-11142300-B2 · Oct 12, 2021 · US
Additive manufacture proprotor blade
US-11059566-B2 · Jul 13, 2021 · US
Spring-loaded link
US-11052993-B2 · Jul 6, 2021 · US
Inboard centrifugal force bearing attachment
US-11027834-B2 · Jun 8, 2021 · US
Elastomeric pitch lock restraint
US-10994837-B1 · May 4, 2021 · US
Elastomeric pitch lock restraint
US-2021114721-A1 · Apr 22, 2021 · US
Length adjustable link
US-2021114715-A1 · Apr 22, 2021 · US
Over-centering blade lock
US-2021107638-A1 · Apr 15, 2021 · US
Spring-loaded link
US-2021107624-A1 · Apr 15, 2021 · US
Additive manufacture proprotor blade
US-2021101672-A1 · Apr 8, 2021 · US
Rotorcraft rotor blade assembly
US-10822954-B2 · Nov 3, 2020 · US
Composite rotor system using two race track style cantilevered yokes
US-10569867-B2 · Feb 25, 2020 · US
Tri-hybrid yoke
US-10543913-B2 · Jan 28, 2020 · US
Tilrotor aircraft having rotary and non rotary flight modes
US-10526068-B2 · Jan 7, 2020 · US
Inboard centrifugal force bearing attachment
US-2019256205-A1 · Aug 22, 2019 · US
Tri-hybrid yoke
US-2019233096-A1 · Aug 1, 2019 · US
High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes
US-10336445-B2 · Jul 2, 2019 · US
Rotorcraft rotor blade assembly
US-2019063230-A1 · Feb 28, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Bell Textron Inc | 15 |
| Bell Helicopter Textron Inc | 14 |
| Textron Innovations Inc | 11 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B64C29/0033 | 27 |
| B64C11/28 | 19 |
| B64C27/35 | 11 |
| B64C27/48 | 10 |
| B64C27/33 | 8 |