LG

Louis B. Gratzer

AP Aviation Partners: 13 patents #1 of 5Top 20%
TB The Boeing: 6 patents #1,862 of 15,756Top 15%
CB C.R. Bard: 1 patents #696 of 1,139Top 65%
📍 Seattle, WA: #1,084 of 21,776 inventorsTop 5%
🗺 Washington: #3,834 of 76,902 inventorsTop 5%
Overall (All Time): #182,865 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11511851 Wing tip with optimum loading 2022-11-29
10787246 Wing tip with winglet and ventral fin 2020-09-29
10589846 Split blended winglet 2020-03-17
10377472 Wing tip with winglet and ventral fin 2019-08-13
10252793 Split blended winglet 2019-04-09
10232934 Wing tip with optimum loading 2019-03-19
10106247 Split blended winglet 2018-10-23
10005546 Split blended winglet 2018-06-26
9580170 Split spiroid 2017-02-28
9434470 Split spiroid 2016-09-06
9381999 Wing tip with optimum loading 2016-07-05
9302766 Split blended winglet 2016-04-05
9038963 Split spiroid 2015-05-26
8944386 Split blended winglet 2015-02-03
5348253 Blended winglet 1994-09-20
5102068 Spiroid-tipped wing 1992-04-07
5096382 Ring-shrouded propeller 1992-03-17
4813631 Laminar flow control airfoil 1989-03-21
4575030 Laminar flow control airfoil 1986-03-11
4449680 Aerodynamically contoured, low drag wing engine and engine nacelle combination Walter B. Gillette 1984-05-22
4449681 Aerodynamically contoured, low drag wing, engine and engine nacelle combination Walter B. Gillette 1984-05-22
4449682 Aerodynamically contoured, low drag wing, engine and engine nacelle combination Walter B. Gillette 1984-05-22
4449683 Aerodynamically contoured, low drag wing engine and engine nacelle combination Walter B. Gillette 1984-05-22