Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SM

Stephen Mitchell — 8 Patents

MCMagna Closures: 5 patents #33 of 193Top 20%
RGRoyal Group: 1 patents #18 of 33Top 55%
Newton, MA: #676 of 2,747 inventorsTop 25%
Massachusetts: #16,020 of 88,656 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Stephen Mitchell has been granted 8 US patents while listed as an inventor at Magna Closures. The first was granted in 1983 and the most recent in December 2013. Stephen Mitchell ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Stephen Mitchell in Newton, MA, US.

Patents per Year

Patents granted per year, 1983 to 2013Bar chart with a peak of 2 patents in 2011.peak 21983: 1 patents19831990: 1 patents19902007: 1 patents20072009: 1 patents20092010: 1 patents20102011: 2 patents20112013: 1 patents2013

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8596000 Interlocking panel system Brian L. Stafford, Noel E. King, Rodney Lee Olinger 2013-12-03
7938473 Electromechanical strut Gordon Andrew Paton, Dragan Mrkovic, Krzysztof Groszkowski, Borys M. Shchokin, Victor Gusev 2011-05-10 $41,534,000
7866729 Powered actuating device for a closure panel of a vehicle Alex Porat, Salvatore Vitale, Eduard Vasilescu, Peter Lance Oxley, Gordon Andrew Paton +3 more 2011-01-11 $18,803,000
7648189 Powered actuating device for a closure panel of a vehicle Alex Porat, Salvatore Vitale, Eduard Vasilescu, Peter Lance Oxley, Gordon Andrew Paton +3 more 2010-01-19 $68,017,000
7566092 Electromechanical strut Gordon Andrew Paton 2009-07-28 $66,820,000
7234757 Electromechanical strut 2007-06-26 $44,667,000
4971274 Combination holder for disposable leaf and rubbage bags and yard tool 1990-11-20
4375881 Portable desk for use with automobile steering wheel 1983-03-08