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

Dan Baker — 6 Patents

KIKeithley Instruments: 4 patents #13 of 82Top 20%
FCFredman Bros. Furniture Company: 1 patents #4 of 7Top 60%
SPSperry: 1 patents #355 of 841Top 45%
Chesterfield, MO: #1,071 of 6,461 inventorsTop 20%
Missouri: #3,623 of 23,789 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Dan Baker has been granted 6 US patents while listed as an inventor at Keithley Instruments. The first was granted in 1983 and the most recent in May 2018. Dan Baker ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Dan Baker in Chesterfield, MO, US.

Patents per Year

Patents granted per year, 1983 to 2018Bar chart with a peak of 3 patents in 2009.peak 31983: 1 patents19832009: 3 patents20092010: 1 patents20102018: 1 patents2018

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9955796 Mattress protector and removable cover assembly John J. Schulte 2018-05-01
7683650 Measurement instrument with synchronized interference signals Michael D. Rayman, Gregory Sobolewski 2010-03-23 $809,000
7616088 Low leakage inductance transformer Wayne C. Goeke 2009-11-10 $278,000
7498854 High speed solid state switch James A. Niemann 2009-03-03 $582,000
7482961 Digital feedthrough cancellation Michael D. Rayman 2009-01-27 $819,000
4381550 High speed dividing circuit 1983-04-26 $4,004,000