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

Ernst Keller — 40 Patents

Applied Materials: 13 patents #1,046 of 7,310Top 15%
KAKeso Ag: 4 patents #1 of 9Top 15%
AAAssa Abloy (Schweiz) Ag: 2 patents #1 of 9Top 15%
ATApplied Komatsu Technology: 1 patents #36 of 62Top 60%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
Ernst Keller has been granted 40 US patents while listed as an inventor at Applied Materials. The first was granted in 1981 and the most recent in December 2014. Ernst Keller ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Ernst Keller in Richterswil, CA, CH.

Patents per Year

Patents granted per year, 1981 to 2014Bar chart with a peak of 3 patents in 1996.peak 31981: 2 patents19811982: 1 patents1985: 1 patents1986: 1 patents19861987: 1 patents1990: 1 patents1994: 1 patents19941995: 2 patents1996: 3 patents1997: 1 patents19971999: 3 patents2002: 1 patents2003: 2 patents20032004: 3 patents2005: 2 patents2006: 3 patents20062007: 2 patents2008: 1 patents2009: 3 patents20092010: 2 patents2011: 2 patents2014: 2 patents2014

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8899082 Closing device 2014-12-02
8695387 Closing device 2014-04-15
8075690 Diffuser gravity support John M. White, Robin L. Tiner, Jiri Kucera, Soo Young Choi, Beom Soo Park +1 more 2011-12-13 $5,494,000
8062717 RF current return path for a large area substrate plasma reactor Wendell T. Blonigan, Carl A. Sorensen 2011-11-22 $8,445,000
7776178 Suspension for showerhead in process chamber 2010-08-17 $3,871,000
7641762 Gas sealing skirt for suspended showerhead in process chamber 2010-01-05 $23,823,000
7591160 Electromechanical lock cylinder 2009-09-22
D588438 Cap for a security key 2009-03-17
7484473 Suspended gas distribution manifold for plasma chamber Quanyuan Shang 2009-02-03 $43,350,000
7429410 Diffuser gravity support John M. White, Robin L. Tiner, Jiri Kucera, Soo Young Choi, Beom Soo Park +1 more 2008-09-30 $10,282,000
D543090 Combined security key and cap Urs Oechslin, Bruno Vonlanthen, Urs Späni 2007-05-22
7181937 Locking cylinder 2007-02-27
7083702 RF current return path for a large area substrate plasma reactor Wendell T. Blonigan, Carl A. Sorensen 2006-08-01 $34,382,000
7059160 Rotary locking cylinder for a safety lock 2006-06-13
7017269 Suspended gas distribution plate John M. White, Wendell T. Blonigan 2006-03-28 $21,502,000
6973814 Safety key and locking cylinder, and locking system with such safety keys and locking cylinders 2005-12-13
6896929 Susceptor shaft vacuum pumping Sanjay Yadav, Quanyuan Shang, Wei-Line Chang 2005-05-24 $9,995,000
6823589 Flexibly suspended gas distribution manifold for plasma chamber John M. White, Wendell T. Blonigan 2004-11-30 $15,899,000
6772827 Suspended gas distribution manifold for plasma chamber Quanyuan Shang 2004-08-10 $32,377,000
6746198 Substrate transfer shuttle John M. White, Norman L. Turner, Robin L. Tiner, Shinichi Kurita, Wendell T. Blonigan +1 more 2004-06-08 $49,514,000
6532781 Built-in safety device and key for a safety lock 2003-03-18
6517303 Substrate transfer shuttle John M. White, Norman L. Turner, Robin L. Tiner, Shinichi Kurita, Wendell T. Blonigan +1 more 2003-02-11
6477980 Flexibly suspended gas distribution manifold for plasma chamber John M. White, Wendell T. Blonigan 2002-11-12 $68,025,000
5966971 Lock bolt 1999-10-19
5934119 Spring-loaded retainer in a twist lock barrel for a safety lock 1999-08-10