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

Charles E. Davis — 22 Patents

UBUniversity Of Maryland, Baltimore: 2 patents #236 of 1,115Top 25%
AIAcf Industries Incorporated: 2 patents #85 of 221Top 40%
LFLife Fitness: 1 patents #30 of 85Top 40%
University of California: 1 patents #8,022 of 18,278Top 45%
UMUniversity Of Maryland: 1 patents #209 of 857Top 25%
Lockheed Martin: 1 patents #2,818 of 6,507Top 45%
BHBell And Howell: 1 patents #131 of 293Top 45%
RSR. R. Donnelley & Sons: 1 patents #202 of 295Top 70%
BTBell Helicopter Textron: 1 patents #349 of 718Top 50%
Coldwater, MI: #5 of 144 inventorsTop 4%
Michigan: #3,548 of 86,293 inventorsTop 5%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Charles E. Davis has been granted 22 US patents. The first was granted in 1981 and the most recent in September 2024. Charles E. Davis ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Charles E. Davis in Coldwater, MI, US.

Patents per Year

Patents granted per year, 1981 to 2024Bar chart with a peak of 3 patents in 1991.peak 31981: 1 patents19811984: 1 patents1985: 1 patents19851987: 2 patents1989: 1 patents19891990: 1 patents1991: 3 patents19911992: 1 patents1993: 1 patents19932002: 1 patents2004: 1 patents20042007: 1 patents2011: 1 patents20112012: 2 patents2014: 1 patents20142020: 1 patents2022: 1 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1042045 Plastic cake cover 2024-09-17
11364242 Treatment agents for inhibiting HIV and cancer in HIV infected patients Robert R. Redfield, Alonso Heredia, Ronald Gartenhaus, Edward A. Sausville 2022-06-21
10786705 Exercise machines for leg strengthening Jeremy Fink, Adam D. Keskey 2020-09-29
8681003 System and method for disclosing unauthorized removal of articles from secured premises 2014-03-25
8319624 System and method for disclosing unauthorized removal of articles from secured premises 2012-11-27
8311662 Document profile detection Brian Bowers, Jack E. Olson 2012-11-13
7863242 Compositions for down-regulation of CCR5 expression and methods of use thereof Robert R. Redfield, Anthony Amoroso, Alonso Heredia 2011-01-04
7247865 System and method of detecting, neutralizing, and containing suspected contaminated articles Juan Esteban Flores 2007-07-24 $17,983,000
6780418 Reagents and immunoassay for the detection and quantitative determination of mycothiol and precursors thereof Robert C. Fahey, Gerald L. Newton, Maria Margarita D. Unson, Sara J. Anderberg 2004-08-24
6479466 Compositions for treating viral infections, and methods therefor Robert R. Redfield, Alonso Heredia 2002-11-12
5194116 Assembly with flexible glue wheel for application of adhesive of book block David Stephens 1993-03-16 $22,414,000
5142861 Nonlinear electromagnetic propulsion system and method Rex L. Schlicher, Steven M. Rinaldi, David Hall, Peter M. Ranon 1992-09-01
5064281 Method and apparatus for simplifying and improving consistency of color grading of gemstones 1991-11-12
5060886 Quick change wheel landing gear J. Robert Duppstadt 1991-10-29 $8,416,000
5005971 Method and apparatus for simplifying and improving consistency of color grading of gemstones 1991-04-09
4946478 Particulate collection and dewatering means for airborne particulate matter Robert A. Kennedy 1990-08-07
4828187 Particulate separation chamber and bag disposal means in a negative pressure system for collection of hazardous material Robert A. Kennedy 1989-05-09
4660989 Agitator shaft bottom bearing assembly 1987-04-28
D289534 Toy trackway 1987-04-28
4494647 Cleaning assembly for a dryer feed chute 1985-01-22
4490162 Low pressure HEPA filtration system for particulate matter 1984-12-25
4305555 Solar energy system with relay satellite 1981-12-15