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

James L. Mason — 12 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
JAJls Automation: 2 patents #3 of 7Top 45%
Ford: 2 patents #6,478 of 17,473Top 40%
OAOki Data Americas: 1 patents #8 of 26Top 35%
PAPace: 1 patents #35 of 62Top 60%
York, PA: #76 of 933 inventorsTop 9%
Pennsylvania: #6,679 of 74,527 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
James L. Mason has been granted 12 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in January 2020. James L. Mason ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list James L. Mason in York, PA, US.

Patents per Year

Patents granted per year, 1981 to 2020Bar chart with a peak of 2 patents in 1984.peak 21981: 1 patents19811982: 1 patents19821984: 2 patents19841987: 1 patents19871994: 2 patents19942007: 1 patents20072010: 1 patents20102013: 1 patents20132019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10538352 Method and system for packaging a container 2020-01-21
D850253 Packaging container 2019-06-04
8363075 Thermal transfer printhead and printing system using such a printhead John R. Cheetham 2013-01-29
7673982 Print media stacker Richard Scott Smith, Benjamin Cuyler, Jr., George Rears, Ken Gravenstede, Barry L. McElreath +1 more 2010-03-09
7271818 Thermal transfer printing system and method with improved print quality and printhead life in cold ambient temperature conditions 2007-09-18
5357179 Handheld low voltage machining tool Louis A. Abbagnaro, William J. Siegel, Charles H. McDavid, Charles M. Cardno, Anthony Tang +2 more 1994-10-18
5327741 Refrigerant recovery and purification machine Martin Pingel 1994-07-12
4650208 Indexable caster adjusting plate for motor vehicles 1987-03-17 $19,030,000
4484692 Wall mounted housing for cable television components Michael Palermo 1984-11-27
D272304 Pedestal housing for cable television components Michael Palermo 1984-01-24
4365723 Pedestal housing for cable television components Michael Palermo 1982-12-28
4266817 Rear step bumper Steve Varjabedian 1981-05-12 $3,733,000