Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jack D. Sibold — 9 Patents

COCoorstek: 4 patents #9 of 50Top 20%
CCCoors Ceramics: 3 patents #3 of 16Top 20%
GTGolden Technologies: 2 patents #7 of 30Top 25%
Golden, CO: #157 of 1,256 inventorsTop 15%
Colorado: #5,216 of 40,980 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Jack D. Sibold has been granted 9 US patents while listed as an inventor at Coorstek. The first was granted in 1996 and the most recent in May 2002. Jack D. Sibold ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Jack D. Sibold in Golden, CO, US.

Patents per Year

Patents granted per year, 1996 to 2002Bar chart with a peak of 3 patents in 1997.peak 31996: 2 patents19961997: 3 patents19972000: 1 patents20002001: 1 patents20012002: 2 patents2002

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6394281 Ceramic filter element Marcus A. Ritland, Dennis W. Readey, Richard N. Kleiner, Kyle Knudson, Steven Landin +1 more 2002-05-28 $4,571,000
6346317 Electronic components incorporating ceramic-metal composites Marcus A. Ritland, Dennis W. Readey, James E. Stephan 2002-02-12 $4,453,000
6247221 Method for sealing and/or joining an end of a ceramic filter Marcus A. Ritland, Dennis W. Readey, Richard N. Kleiner, Kyle Knudson, Steven Landin +1 more 2001-06-19 $6,970,000
6143421 Electronic components incorporating ceramic-metal composites Marcus A. Ritland, Dennis W. Readey, James E. Stephan, Dean A. Rulis 2000-11-07 $6,165,000
5700373 Method for sealing a filter Marcus A. Ritland, Dennis W. Readey, Richard N. Kleiner 1997-12-23
5676907 Method for making near net shape ceramic-metal composites Marcus A. Ritland, Dennis W. Readey, James E. Stephan, Dean A. Rulis 1997-10-14
5614043 Method for fabricating electronic components incorporating ceramic-metal composites Marcus A. Ritland, Dennis W. Readey, James E. Stephan 1997-03-25
5525374 Method for making ceramic-metal gradient composites Marcus A. Ritland, Dennis W. Readey, Dean A. Rulis 1996-06-11
5503122 Engine components including ceramic-metal composites Marcus A. Ritland, Dennis W. Readey, Dean A. Rulis, Richard N. Kleiner 1996-04-02