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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John P. Schaefer — 8 Patents

RTX (Raytheon): 6 patents #2,008 of 15,912Top 15%
SASap Ag: 1 patents #1,847 of 3,812Top 50%
Plano, TX: #882 of 4,842 inventorsTop 20%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
John P. Schaefer has been granted 8 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1990 and the most recent in August 2024. John P. Schaefer ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John P. Schaefer in Plano, TX, US.

Patents per Year

Patents granted per year, 1990 to 2024Bar chart with a peak of 2 patents in 2005.peak 21990: 1 patents19902005: 2 patents20052012: 1 patents20122017: 1 patents20172023: 2 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12066591 Visible quality mirror finishing Martin Mather, Paul Gasloli 2024-08-20
11698477 Visible quality additive manufactured aluminum mirror finishing Paul Gasloli 2023-07-11
11619764 High-performance optical surface Paul Gasloli 2023-04-04
9575223 Magnesium mirrors and methods of manufacture thereof Clay E. Towery 2017-02-21 $19,095,000
8145681 System and methods for generating manufacturing data objects Stephen Macaleer 2012-03-27 $2,900,000
6921177 High precision mirror, and a method of making it 2005-07-26 $12,021,000
6873467 Method and system for providing optical alignment for a visible wavelength reflective system John Anthony Tejada, Erwin E. Cooper 2005-03-29 $9,152,000
4927153 Golf putting practice device 1990-05-22