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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John W Royalty — 6 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Crystal River, FL: #3 of 42 inventorsTop 8%
Florida: #9,271 of 67,251 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John W Royalty has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1996 and the most recent in October 2012. John W Royalty ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John W Royalty in Crystal River, FL, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8281792 Electromagnetic diaphragm assist device and method for assisting a diaphragm function 2012-10-09
8241197 Method of generating a cardiogram with a magnet 2012-08-14
8235884 Cardiac tissue energy dispersion device Lawrence A. Lynn 2012-08-07
8231517 Stabilization for electromagnetic biventricular assist device 2012-07-31
8231518 Cardiac diastolic augmentation improving cardiac output in electromagnetic biventricular assist device 2012-07-31
5498228 Electromagnetic bi-ventricular assist device James M. B. Royalty, Lawrence A. Lynn 1996-03-12