Inventor
IVANS STEVEN R
US15 patents
⚠️ This page may combine multiple inventors who share the name “IVANS STEVEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL TEXTRON INC
8 patentsUS11718397B2Aug 8, 2023
Electric tiltrotor aircraft
BELL TEXTRON INC1 citations72
US11691725B2Jul 4, 2023
Twin fuselage tiltrotor aircraft
BELL TEXTRON INC2 citations69
US11542020B2Jan 3, 2023
Electric aircraft side access batteries and single file passenger seating
BELL TEXTRON INC1 citations61
US12168508B2Dec 17, 2024
Tilting hexrotor aircraft
BELL TEXTRON INC1 citations58
US12037111B2Jul 16, 2024
Quad tilt rotor unmanned aircraft
BELL TEXTRON INC0 citations58
US11760475B2Sep 19, 2023
Articulated tiltrotor
BELL TEXTRON INC0 citations56
US12428148B2Sep 30, 2025
Unmanned rotorcraft with dual cargo doors
BELL TEXTRON INC1 citations55
US12528579B2Jan 20, 2026
Tilting hexrotor aircraft
BELL TEXTRON INC0 citations47
BELL HELICOPTER TEXTRON INC
4 patentsUS11370535B2Jun 28, 2022
Tiltrotor with inboard engines
BELL HELICOPTER TEXTRON INC2 citations71
US10815008B2Oct 27, 2020
Lift propulsion module for a tiltrotor aircraft
BELL HELICOPTER TEXTRON INC3 citations71
US10183745B2Jan 22, 2019
Tiltrotor with inboard engines
BELL HELICOPTER TEXTRON INC1 citations61
US10994852B2May 4, 2021
Door for a tiltrotor proprotor pylon
BELL HELICOPTER TEXTRON INC0 citations46