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

Eric L. King — 13 Patents

WAWalbro: 10 patents #14 of 212Top 7%
WLWalbro Engine Management, L.L.C.: 3 patents #16 of 85Top 20%
Caro, MI: #6 of 44 inventorsTop 15%
Michigan: #7,031 of 86,293 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Eric L. King has been granted 13 US patents while listed as an inventor at Walbro. The first was granted in 1997 and the most recent in September 2023. Eric L. King ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Eric L. King in Caro, MI, US.

Patents per Year

Patents granted per year, 1997 to 2023Bar chart with a peak of 2 patents in 2002.peak 21997: 1 patents19971998: 1 patents1999: 1 patents19992002: 2 patents2003: 1 patents20032006: 1 patents2011: 1 patents20112018: 1 patents2021: 2 patents20212022: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11761403 Charge forming device with tamper resistant adjustable valve Matthew A. Braun 2023-09-19
11233378 Spark plug coupler Cyrus M. Healy 2022-01-25
11187191 Charge forming device with tamper resistant adjustable valve Matthew A. Braun 2021-11-30
11118536 Tamper resistant adjustment valve for a charge forming device George M. Pattullo 2021-09-14
10054082 Carburetor with fuel metering diaphragm 2018-08-21
8061322 Engine starting system with throttle override George M. Pattullo, David L. Speirs 2011-11-22
7013878 Fuel vapor separator Kenneth J. Cotton, Roger N. Smith 2006-03-21
6615792 Carburetor fuel shut-off system Timothy K. Grifka, Terry O. Hendrick, Kevin L. Israelson, Albert L. Sayers, John C. Woody 2003-09-09
6454246 Carburetor with separate nozzle post member Timothy K. Grifka, Terry O. Hendrick, Kevin L. Israelson, Albert L. Sayers, John C. Woody 2002-09-24
6439547 Carburetor throttle and choke control mechanism George M. Pattullo 2002-08-27
5984281 Carburetor needle valve and limiter cap installation and adjustment apparatus David Hacker, George M. Pattullo 1999-11-16
5753148 Carburetor needle valve adjustment limiter cap apparatus and method of adjusting fuel flow George M. Pattullo, Karl P. Richter 1998-05-19 $1,277,000
5611312 Carburetor and method and apparatus for controlling air/fuel ratio of same Mark S. Swanson 1997-03-18 $989,000