RJ

Robert S. Johnson

BS Briggs & Stratton: 9 patents #57 of 490Top 15%
AM Amgen: 5 patents #645 of 2,867Top 25%
AC American National Can: 2 patents #55 of 160Top 35%
SC Sprint Communications: 1 patents #1,148 of 2,085Top 60%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #167,600 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12251655 Cyclonic air filter assembly for an engine Steven G. Gleixner 2025-03-18
11712649 Cyclonic air filter assembly for an engine Steven G. Gleixner 2023-08-01
11377996 Muffler with baffle defining multiple chambers Steve Gleixner, Patrick J. Crowley, Brett Birschbach 2022-07-05
11260328 Cyclonic air filter assembly for an engine Steven G. Gleixner 2022-03-01
D896945 Air filter Steven G. Gleixner 2020-09-22
D876600 Air filter Steven G. Gleixner 2020-02-25
D867568 Air filter Steven G. Gleixner 2019-11-19
10422730 Liquid inlet device Thomas Vitella 2019-09-24
8528747 Solid phase extraction disk and method of manufacture Kevin Dinnean, Steve MacDonald 2013-09-10
8443429 Integrated sign on Elton Tila 2013-05-14
8408183 Ignition and fuel shutoff for engine 2013-04-02
8313953 Sample collection system and method Stephen Scheufele 2012-11-20
8124422 Sample collection system and method Stephen Scheufele 2012-02-28
7935536 System for water removal and solvent evaporation Stephen J. MacDonald 2011-05-03
6749755 Water separation from solvent 2004-06-15
6264895 Evaporator 2001-07-24
6027638 Automatic filtration and extraction device and method 2000-02-22
5753105 Automatic filtration and extraction device and method 1998-05-19
5642701 Engine cylinder head assembly having planar and cast components Denis Oswald, Mark W. Emmer, Daniel W. Edmonds 1997-07-01
5358542 Glass container forming machine including neck ring mold cooling Robert D. Hall, Roger L. Erb 1994-10-25
5320768 Hydroxy ether amine friction modifier for use in power transmission fluids and anti-wear additives for use in combination therewith Antonio Gutierrez, Jack Ryer, Stanley J. Brois, Jon Michael Clumpner 1994-06-14
4983203 Cooling device for glass container forming machine Roger L. Erb, Richard L. Smith 1991-01-08
D280769 Sponge mop Paul E. Fletcher, William S. Benjamin, John I. Zsitvay 1985-09-24
4516287 Angled roller mop Paul E. Fletcher, William S. Benjamin, John I. Zsitvay 1985-05-14