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Darrin Johnson — 12 Patents

SSS.R. Smith: 10 patents #2 of 15Top 15%
Memphis, TN: #153 of 1,908 inventorsTop 9%
Tennessee: #1,515 of 20,272 inventorsTop 8%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Darrin Johnson has been granted 12 US patents while listed as an inventor at S.R. Smith. The first was granted in 2014 and the most recent in January 2020. Darrin Johnson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Darrin Johnson in Memphis, TN, US.

Patents per Year

Patents granted per year, 2014 to 2020Bar chart with a peak of 5 patents in 2014.peak 52014: 5 patents20142017: 2 patents20172018: 3 patents20182019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
RE47795 Handrail Richard P. Laitta 2020-01-07
RE47549 Handrail Richard P. Laitta 2019-08-06
RE47041 Handrail Richard P. Laitta 2018-09-18
RE46895 Handrail Richard P. Laitta 2018-06-19
RE46894 Handrail Richard P. Laitta 2018-06-19
9664468 Control of ejected firearm shells Paul E. Johnson 2017-05-30
D787626 AR-15 cartridge deflector Paul E. Johnson 2017-05-23
D706449 Handrail Richard P. Laitta 2014-06-03
D706451 Handrail Richard P. Laitta 2014-06-03
D706452 Stair rail Richard P. Laitta 2014-06-03
D706450 Handrail Richard P. Laitta 2014-06-03
D706448 Handrail Richard P. Laitta 2014-06-03

Frequent Collaborators

Richard P. Laitta10 shared
Paul E. Johnson2 shared

Nearby-Ranked Inventors

John Patrick Hickey, III12
Gregory Lutter12
Josselin Xavier COUPARD12
Xuan Li12
Nandana Mihindukulasooriya12
Keiichi Matsuda12
Robert Imig12
Peter Mage12
Sze Ping Ching12