Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John D. Lea — 6 Patents

SPSperry: 2 patents #196 of 841Top 25%
UNUnisys: 2 patents #870 of 2,028Top 45%
Lockheed Martin: 1 patents #2,818 of 6,507Top 45%
UFUS Air Force: 1 patents #6,232 of 16,312Top 40%
Huntington Station, NY: #30 of 174 inventorsTop 20%
New York: #23,374 of 115,490 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John D. Lea has been granted 6 US patents while listed as an inventor at Sperry. The first was granted in 1981 and the most recent in April 1997. John D. Lea ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John D. Lea in Huntington Station, NY, US.

Patents per Year

Patents granted per year, 1981 to 1997Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811983: 1 patents19831986: 1 patents19861994: 1 patents19941995: 1 patents19951997: 1 patents1997

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5621701 Controlled compliance acoustic baffle Alfred Denaro, Thomas Bertram 1997-04-15 $17,408,000
5390155 Acoustic particle acceleration sensor and array of such sensors 1995-02-14 $15,665,000
5287332 Acoustic particle acceleration sensor and array of such sensors 1994-02-15 $5,371,000
4601025 Angle tracking system 1986-07-15 $9,757,000
4423494 Beam steerable sonar array Kenneth W. Groves 1983-12-27 $1,930,000
4275461 Parallel digital beam-forming system Leon Sternick 1981-06-23