Inventor
Walter Gerd Oskar Sonneborn
Inventor
Colleyville, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Cprimary
B64CAeroplanes73%
Y02TClimate change mitigation technologies related to transportation13%
B64DEquipment for fitting in or to aircraft7%
G05DSystems for controlling or regulating non-electric variables7%
PatentTitleYear
10,737,776Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft20209,902,492'Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft'20189,278,754'Low speed autogyro yaw control apparatus and method'20169,205,919'Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft'20158,998,127'Pre-landing, rotor-spin-up apparatus and method'20158,939,394'Anemometer drive apparatus and method'20158,752,786'Low speed autogyro yaw control apparatus and method'20148,668,162'Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft'20148,588,996'Aircraft occupant protection system'20134,349,316'Twist control for helicopter tail rotor pitch change'19824,257,739'Soft inplane helicopter rotor'19814,115,031'Hub spring moment isolation in underslung two-bladed teetering rotor'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Patents assigned to TEXTRON INC (3)· patent assignee history
1978–1982Based in Fort Worth, TX, US· patent location history
2013Patents assigned to COVINGTON CHARLES E (1)· patent assignee history
2013–2020Based in Colleyville, TX, US· patent location history
2014–2016Patents assigned to GROEN BROTHERS AVIAT INC (6)· patent assignee history
2014–2015Patents assigned to SONNEBORN WALTER GERD OSKAR (4)· patent assignee history
2018–2020Patents assigned to SKYWORKS GLOBAL INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GROEN BROTHERS AVIAT INC | 6 | 2014–2016 |
| SONNEBORN WALTER GERD OSKARself | 4 | 2014–2015 |
| TEXTRON INC | 3 | 1978–1982 |
| SKYWORKS GLOBAL INC | 2 | 2018–2020 |
| COVINGTON CHARLES E | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Colleyville, Texas, US | 9 | 2013–2020 |
| Fort Worth, Texas, US | 3 | 1978–1982 |