Inventor
CALKINS FREDERICK T
US40 patents
⚠️ This page may combine multiple inventors who share the name “CALKINS FREDERICK T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOEING CO
35 patentsUS7426373B2Sep 16, 2008
Electrically tuned resonance circuit using piezo and magnetostrictive materials
BOEING CO131 citations98
US7878459B2Feb 1, 2011
Aircraft systems with shape memory alloy (SMA) actuators, and associated methods
BOEING CO58 citations97
US9145198B1Sep 29, 2015
Variable camber airfoil system
BOEING CO32 citations94
US6888291B2May 3, 2005
Electrical system for electrostrictive bimorph actuator
BOEING CO21 citations91
US7753316B2Jul 13, 2010
Deployable flap edge fence
BOEING CO26 citations89
US10427632B2Oct 1, 2019
Bowed rotor nacelle cooling
BOEING CO7 citations83
US7202591B2Apr 10, 2007
Electrostrictive compound actuator
BOEING CO15 citations83
US7085388B2Aug 1, 2006
High frequency jet nozzle actuators for jet noise reduction
BOEING CO17 citations83
US6933662B2Aug 23, 2005
Electrostrictive compound actuator
BOEING CO14 citations83
US9581146B2Feb 28, 2017
Smart susceptor for a shape memory alloy (SMA) actuator inductive heating system
BOEING CO10 citations82
US10591078B2Mar 17, 2020
Fluid flow control device
BOEING CO10 citations81
US9885345B2Feb 6, 2018
Scalable multi-element shape memory alloy rotary motor
BOEING CO3 citations72
US9919505B2Mar 20, 2018
Apparatus and method for a shape memory alloy mandrel
BOEING CO3 citations71
US10288048B2May 14, 2019
Deforming shape memory alloy using self-regulating thermal elements
BOEING CO2 citations70
US9776705B2Oct 3, 2017
Shape memory alloy actuator system for composite aircraft structures
BOEING CO4 citations70
US11821409B2Nov 21, 2023
Environmental aspect control assembly
BOEING CO2 citations69
US11371491B1Jun 28, 2022
Shape memory alloy active hinge actuator
BOEING CO2 citations63
US10100944B2Oct 16, 2018
Shape memory alloy actuated butterfly valve
BOEING CO3 citations63
US10656048B2May 19, 2020
Remotely controlled methods and systems for actuating boundary layer transition devices in a wind tunnel model
BOEING CO1 citations61
US11802548B2Oct 31, 2023
Variable-porosity panel systems and associated methods
BOEING CO1 citations59
US12247554B2Mar 11, 2025
Environmental aspect control assembly
BOEING CO0 citations58
US11549383B2Jan 10, 2023
Variable geometry aerodynamic blade with integral shape memory actuation
BOEING CO1 citations58
US10202939B2Feb 12, 2019
High stiffness shape memory alloy actuated aerostructure
BOEING CO1 citations55
US9664183B2May 30, 2017
Integrated high thermal conductive fiber as cooling fin for SMA actuator with expandable sleeve
BOEING CO0 citations52
US10690123B2Jun 23, 2020
Cooperative shape memory alloy torque tubes for continuous-action turning motor
BOEING CO0 citations51
US10994826B2May 4, 2021
Temperature sensitive self actuated heat boundary layer control device
BOEING CO0 citations48
US10605235B2Mar 31, 2020
Shape-memory alloy power-assist apparatus
BOEING CO0 citations47
US10054047B2Aug 21, 2018
Aircraft thermal energy harvesting using rotary shape memory alloy apparatus
BOEING CO0 citations47
US11919647B2Mar 5, 2024
Thermal control systems for aircraft landing gear wheel wells and related methods
BOEING CO0 citations45
US11767104B2Sep 26, 2023
Vortex generator
BOEING CO0 citations45
US10137992B2Nov 27, 2018
Remote controlled air nozzles and methods of assembling the same
BOEING CO1 citations45
US11052617B2Jul 6, 2021
Fabrication of plank stringers
BOEING CO0 citations44
US11821535B2Nov 21, 2023
Shape memory alloy control elements for hydraulic valves
BOEING CO0 citations41
US10464281B2Nov 5, 2019
Sandwich composite with shape memory alloy core and method of making same
BOEING CO0 citations39
US9541177B2Jan 10, 2017
Ratcheting shape memory alloy actuators and systems and methods including the same
BOEING CO0 citations31