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USPTO Patent Rankings Data through Dec 31, 2025
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John Pontefract — 5 Patents

Applied Materials: 5 patents #2,184 of 7,310Top 30%
Uckfield, GB: #3 of 19 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Pontefract has been granted 5 US patents while listed as an inventor at Applied Materials. The first was granted in 1993 and the most recent in February 2006. John Pontefract ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Pontefract in Uckfield, GB.

Patents per Year

Patents granted per year, 1993 to 2006Bar chart with a peak of 2 patents in 1996.peak 21993: 1 patents19931996: 2 patents19961999: 1 patents19992006: 1 patents2006

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7004234 Vaporizer for generating feed gas for an arc chamber Simon Povall, David R. Burgin, Michael Joseph King 2006-02-28 $21,386,000
5886355 Ion implantation apparatus having increased source lifetime Nicholas Bright, Paul A. Burfield, Bernard Harrison, Peter Meares, David R. Burgin +2 more 1999-03-23 $25,350,000
5554852 Ion implantation having increased source lifetime Nicholas Bright, Paul A. Burfield, Bernard Harrison, Peter Meares, David R. Burgin +2 more 1996-09-10 $56,749,000
5517077 Ion implantation having increased source lifetime Nicholas Bright, Paul A. Burfield, Bernard Harrison, Peter Meares, David R. Burgin +2 more 1996-05-14 $31,675,000
5262652 Ion implantation apparatus having increased source lifetime Nicholas Bright, Paul A. Burfield, Bernard Harrison, Peter Meares, David R. Burgin +2 more 1993-11-16 $30,627,000