Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HR

Harry C. Ralph — 13 Patents

The Boeing: 13 patents #721 of 15,756Top 5%
Des Moines, WA: #6 of 180 inventorsTop 4%
Washington: #7,874 of 76,902 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Harry C. Ralph has been granted 13 US patents while listed as an inventor at The Boeing. The first was granted in 1988 and the most recent in March 2002. Harry C. Ralph ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Harry C. Ralph in Des Moines, WA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6354537 Aircraft landing gear having axle to brake plate integration 2002-03-12 $76,226,000
6149100 Aircraft landing gear having axle to brake plate integration 2000-11-21 $204,523,000
6123292 Main landing gear having independent steering of each axle on multiple axle trucks 2000-09-26 $287,297,000
6065719 Main landing gear having tilting of main gear pivot pins 2000-05-23 $163,183,000
5947414 Main landing gear having tilting of main gear pivot pins 1999-09-07 $83,650,000
5839692 Splayable aircraft nose landing gear Ian Bennett 1998-11-24 $81,344,000
5513821 Aircraft steering system and method for large aircraft having main landing gear steering during low taxi speed while nose gear is castored 1996-05-07 $36,650,000
5325943 Variable orifice oil/gass damper for aircraft landing gear 1994-07-05 $22,387,000
5148896 High pressure hydropneumatic shock absorber 1992-09-22 $8,474,000
5110068 Multi-axled propped landing gear Donald L. Grande 1992-05-05 $13,995,000
4917334 Multiwheeled trailing type landing gear assembly Gerhard E. Seidel 1990-04-17 $7,781,000
4869444 Adjustable two-stage aircraft landing gear system 1989-09-26 $9,282,000
4770372 Two-stage aircraft landing gear 1988-09-13 $8,451,000