Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Earl Short — 19 Patents

DEDelavan: 18 patents #6 of 131Top 5%
CNCollins Engine Nozzles: 1 patents #28 of 50Top 60%
Norwalk, IA: #2 of 30 inventorsTop 7%
Iowa: #671 of 15,303 inventorsTop 5%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
John Earl Short has been granted 19 US patents while listed as an inventor at Delavan. The first was granted in 2004 and the most recent in August 2023. John Earl Short ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list John Earl Short in Norwalk, IA, US.

Patents per Year

Patents granted per year, 2004 to 2023Bar chart with a peak of 2 patents in 2013.peak 22004: 1 patents20042005: 1 patents2009: 1 patents20092010: 1 patents2011: 1 patents20112012: 1 patents2013: 2 patents20132014: 2 patents2015: 1 patents20152016: 2 patents2017: 1 patents20172018: 1 patents2019: 1 patents20192021: 2 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11738356 Pulsed spraybar injector 2023-08-29
11156141 Fluid injectors for hot flow Randall J. Quandt 2021-10-26
11084050 Pulsed spraybar injector 2021-08-10
10480472 Variable angle multi-point injection Jason A. Ryon, Philip E. O. Buelow 2019-11-19
10094352 Swirl impingement prefilming Philip E. O. Buelow, Jason A. Ryon 2018-10-09
9745936 Variable angle multi-point injection Jason A. Ryon, Philip E. O. Buelow 2017-08-29
9394996 Sealing device Gregory A. Zink, Spencer D. Pack 2016-07-19
9333518 Multipoint injectors 2016-05-10
8925325 Recirculating product injection nozzle Nicholas R. Overman 2015-01-06
8851401 Flat fan air assist injectors Nicholas R. Overman 2014-10-07
8800146 Conical swirler for fuel injectors and combustor domes and methods of manufacturing the same Chien-Pei Mao 2014-08-12
8616471 Multipoint injectors with standard envelope characteristics 2013-12-31
8348180 Conical swirler for fuel injectors and combustor domes and methods of manufacturing the same Chien-Pei Mao 2013-01-08
8313046 Multi-point injector ring 2012-11-20
8074895 Fuel injection and mixing systems having piezoelectric elements and methods of using the same Chien-Pei Mao, Jim Klemm, Royce Abbott, Nick Overman, Spencer D. Pack +1 more 2011-12-13
7766251 Fuel injection and mixing systems and methods of using the same Chien-Pei Mao 2010-08-03
7547002 Integrated fuel injection and mixing systems for fuel reformers and methods of using the same Chien-Pei Mao 2009-06-16
6863228 Discrete jet atomizer Chien-Pei Mao 2005-03-08
6755024 Multiplex injector Chien-Pei Mao, Neal A. Thomson 2004-06-29