Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EK

Eric Knappenberger

Micron: 18 patents #949 of 6,345Top 15%
WPWeber-Stephen Products: 10 patents #33 of 136Top 25%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
IEItt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
Chicago, IL: #254 of 13,327 inventorsTop 2%
Illinois: #2,004 of 84,256 inventorsTop 3%
Overall (All Time): #121,516 of 4,157,543Top 3%
30 Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12267918 Electric grill with current protection circuitry Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2025-04-01
12137832 Digital power supply Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2024-11-12
12105572 Digital power supply with wireless monitoring and control Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2024-10-01
11860240 Wireless control and status monitoring for electric grill with current protection circuitry Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2024-01-02
11703928 Digital power supply with wireless monitoring and control Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2023-07-18
11622420 Electric grill with current protection circuitry Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2023-04-04
11454677 Wireless control and status monitoring for electric grill with current protection circuitry Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2022-09-27
10551893 Digital power supply with wireless monitoring and control Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2020-02-04
10537199 Digital power supply Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2020-01-21
10524312 Electric grill with current protection circuitry Julio C. Zuleta, Matthew Lerch, Jeffery C. Emmerich 2019-12-31
7557918 Spectral polarimetric image detection and analysis methods and apparatus J. Daniel Newman, Paul P. Lee, Rulon Eugene Simmons, Andre Cropper 2009-07-07
7271528 Uniform emitter array for display devices 2007-09-18
6890446 Uniform emitter array for display devices, etch mask for the same, and methods for making the same 2005-05-10
6824698 Uniform emitter array for display devices, etch mask for the same, and methods for making the same 2004-11-30
6682873 Semiconductive substrate processing methods and methods of processing a semiconductive substrate John Michiels, David H. Wells, James J. Alwan 2004-01-27
6679998 Method for patterning high density field emitter tips Aaron R. Wilson 2004-01-20
6586144 Mask forming methods and a field emission display emitter mask forming method John Michiels, David H. Wells, James J. Alwan 2003-07-01
6573023 Structures and structure forming methods John Michiels, David H. Wells, James J. Alwan 2003-06-03
6537728 Structures, lithographic mask forming solutions, mask forming methods, field emission display emitter mask forming methods, and methods of forming plural field emission display emitters John Michiels, David H. Wells, James J. Alwan 2003-03-25
6489246 Method for manufacturing charge-coupled image sensors Joseph R. Summa, David L. Losee 2002-12-03
6464890 Method for patterning high density field emitter tips Aaron R. Wilson 2002-10-15
6458515 Structures, lithographic mask forming solutions, mask forming methods, field emission display emitter mask forming methods, and methods of forming plural field emission display emitters John Michiels, David H. Wells, James J. Alwan 2002-10-01
6426233 Uniform emitter array for display devices, etch mask for the same, and methods for making the same 2002-07-30
6420086 Methods of forming patterned constructions, methods of patterning semiconductive substrates, and methods of forming field emission displays Jianping Yang, David H. Wells 2002-07-16
6350388 Method for patterning high density field emitter tips Aaron R. Wilson 2002-02-26