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

Kenneth L. Smith — 154 Patents

3M: 128 patents #12 of 11,543Top 1%
CICoburn Optical Industries: 6 patents #2 of 46Top 5%
HLHenkel Limited: 3 patents #199 of 861Top 25%
PRPrimos: 3 patents #7 of 25Top 30%
UFUS Air Force: 2 patents #3,485 of 16,312Top 25%
GOGerber Coburn Optical: 1 patents #11 of 32Top 35%
ACAdams-Russell Co.: 1 patents #2 of 6Top 35%
MIT: 1 patents #4,386 of 9,367Top 50%
Chevron: 1 patents #2,625 of 4,788Top 55%
COCognis: 1 patents #89 of 179Top 50%
White Bear Lake, MN: #1 of 561 inventorsTop 1%
Minnesota: #67 of 52,454 inventorsTop 1%
Overall (All Time): #5,907 of 4,157,543Top 1%
154 Patents All Time
Kenneth L. Smith has been granted 154 US patents while listed as an inventor at 3M. The first was granted in 1982 and the most recent in April 2024. Kenneth L. Smith ranks #5,907 of 4,157,543 US inventors in our database (top 0.14%). Patent records list Kenneth L. Smith in White Bear Lake, MN, US.

Issued Patents All Time

Showing 1–25 of 154 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11953706 Patterned wavelength-selective image Kui Chen-Ho, Douglas S. Dunn, Tien Yi T. H. Whiting, John A. Wheatley, Bryan T. Whiting +4 more 2024-04-09 $46,190,000
11602888 Continuous additive manufacturing apparatus Carsten Franke, Jesse R. Behnke, Robert L. W. Smithson, Lucas D. Crestik, Olester Benson, Jr. +1 more 2023-03-14 $37,089,000
11597856 Continuous additive manufacturing methods Carsten Franke, Jesse R. Behnke, Robert L. W. Smithson, Lucas D. Crestik, Olester Benson, Jr. +4 more 2023-03-07 $29,533,000
11253933 Non-orthogonal cube corner elements and arrays thereof made by end milling Nelson D. Sewall, Christopher Grinde, Todd A. Ballen 2022-02-22 $24,190,000
11016229 Optical filter John A. Wheatley, Gilles J. Benoit, Todd A. Ballen, Guanglei Du, Edward J. Kivel +3 more 2021-05-25 $57,434,000
10948734 Light control film with varied viewing angle Andrew J. Ouderkirk, Michael J. Sykora, Robert R. Kieschke, Olester Benson, Jr., Gary E. Gaides +3 more 2021-03-16 $45,932,000
10884166 Retroreflective sheeting including cube corner elements 2021-01-05 $50,204,000
10859738 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Mieczyslaw H. Mazurek, Bimal V. Thakkar, Suman K. Patel, William D. Coggio +2 more 2020-12-08 $57,310,000
10618234 Retroreflective sheeting James R. Imbertson, John C. Kelliher, John A. Worrell, Sidney A. Ellingstad 2020-04-14 $24,395,000
10586446 Sign to vehicle identification system Jeffrey D. Janovec, Michael R. Duoos, Todd A. Ballen, Travis L. Potts, James W. Howard +1 more 2020-03-10 $69,305,000
10562249 Cube corner retroreflective sheeting having channels 2020-02-18 $32,683,000
10557976 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Bimal V. Thakkar, Raymond C. Chiu 2020-02-11 $39,244,000
10512152 Device array backframe with integral manifolding for high performance fluid cooling James P. Smith, Bernard Malouin, Eric A. Browne 2019-12-17
10502875 Microtiled prismatic cube corner articles Todd A. Ballen, Nelson D. Sewall 2019-12-10 $41,236,000
10495792 Retroreflective sheeting including cube corner elements 2019-12-03 $30,904,000
10379271 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Bimal V. Thakkar, Mieczyslaw H. Mazurek, Suman K. Patel, William D. Coggio +1 more 2019-08-13 $32,475,000
10339804 Sign to vehicle identification system Jeffrey D. Janovec, Michael R. Duoos, Todd A. Ballen, Travis L. Potts, James W. Howard +1 more 2019-07-02 $34,576,000
10132969 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Bimal V. Thakkar, Raymond C. Chiu 2018-11-20 $37,175,000
10101509 Retroreflective sheeting including cube corner elements 2018-10-16 $30,672,000
9910194 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Bimal V. Thakkar, Mieczyslaw H. Mazurek, Suman K. Patel, William D. Coggio +1 more 2018-03-06 $27,700,000
9878507 Retroflective sheeting James R. Imbertson, John C. Kelliher, John A. Worrell, Sidney A. Ellingstad 2018-01-30 $32,106,000
9791709 Light control film with varied viewing angle Andrew J. Ouderkirk, Michael J. Sykora, Robert R. Kieschke, Olester Benson, Jr., Gary E. Gaides +3 more 2017-10-17 $23,529,000
9791604 Retroreflective articles including optically active areas and optically inactive areas Michael Benton Free, Mieczyslaw H. Mazurek, Bimal V. Thakkar, Suman K. Patel, William D. Coggio +2 more 2017-10-17 $23,529,000
9740018 Light control film with varied viewing angle Andrew J. Ouderkirk, Michael J. Sykora, Robert R. Kieschke, Olester Benson, Jr., Gary E. Gaides +3 more 2017-08-22 $21,544,000
9726792 Low refractive index layer having a plurality of voids Suman K. Patel, William D. Coggio, Mikhail L. Pekurovsky, Michael Benton Free, William Blake Kolb 2017-08-08 $21,556,000