Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Lockman — 4 Patents

FLFluke: 4 patents #102 of 518Top 20%
Everett, WA: #230 of 1,109 inventorsTop 25%
Washington: #23,275 of 76,902 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark E. Lockman has been granted 4 US patents while listed as an inventor at Fluke. The first was granted in 1995 and the most recent in December 1996. Mark E. Lockman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark E. Lockman in Everett, WA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5587932 On-board measurement system Joseph V. Ferrante, Donald P. Matson, John A. Gibbs, Warren H. Wong 1996-12-24 $1,976,000
5578794 Cover assembly for restraining an object in an enclosure Dennis T. Lamb, Monte R. Washburn 1996-11-26 $686,000
5492482 Compact thermocouple connector Monte R. Washburn, Howard T. Voorheis, Warren H. Wong 1996-02-20 $1,440,000
D363681 Documenting process calibrator Carl J. Ledbetter, Monte R. Washburn, Dennis T. Lamb 1995-10-31