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USPTO Patent Rankings Data through Dec 31, 2025
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John McCaffrey — 14 Patents

NENeogen: 6 patents #8 of 83Top 10%
PEPerkinelmer: 3 patents #136 of 711Top 20%
MIMicromeritics Instruments: 2 patents #9 of 29Top 35%
PSPerkinelmer Health Sciences: 2 patents #74 of 237Top 35%
PLPerkinelmer Las: 1 patents #45 of 96Top 50%
Duluth, GA: #71 of 860 inventorsTop 9%
Georgia: #2,289 of 35,610 inventorsTop 7%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
John McCaffrey has been granted 14 US patents while listed as an inventor at Neogen. The first was granted in 1987 and the most recent in August 2025. John McCaffrey ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John McCaffrey in Duluth, GA, US.

Patents per Year

Patents granted per year, 1987 to 2025Bar chart with a peak of 3 patents in 2005.peak 31987: 2 patents19871988: 1 patents2003: 1 patents20032005: 3 patents2006: 1 patents20062009: 1 patents2011: 1 patents20112012: 1 patents2014: 1 patents20142024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12392644 Hinged closure for gas pycnometer Jeff Kenvin, Kyle Mascaritolo, Brian Arnhart, Jordan Hinson, Philip Remedios +2 more 2025-08-19
11874155 Systems and methods for gas pycnometer and gas adsorption analyzer calibration Jeff Kenvin, Kyle Mascaritolo 2024-01-16
8701464 Methods and devices for circulating air Andrew Tipler, James Botelho, Avinash Dalmia, Michael J. Rafa, John Vanderhoef +6 more 2014-04-22 $20,581,000
8104326 Methods and devices for circulating air Andrew Tipler, James Botelho, Avinash Dalmia, Michael J. Rafa, John Vanderhoef +6 more 2012-01-31 $15,516,000
8075752 Method and apparatus for providing an electrochemical sensor at an elevated temperature Avinash Dalmia, Mario Carozza, Michael J. Rafa, Donald L. Groeschner 2011-12-13 $11,831,000
7485262 Apparatus for chemiluminescent assays Joseph L. DiCesare, David Clark, Michael I. Crockett 2009-02-03 $4,121,000
7060223 Polymeric medium for the retention of reagent species for use in a hand-held device for the relatively rapid detection of the presence of an analyte of interest in a sample Joseph L. DiCesare 2006-06-13 $1,352,000
6927851 Methods and apparatus to improve the sensitivity and reproducibility of bioluminescent analytical methods Szilveszter Cseh Jando, Sunita Carrasko 2005-08-09 $1,246,000
6887681 Apparatus and methods for chemiluminescent assays Joseph L. DiCesare, David Clark, Michael I. Crockett 2005-05-03 $886,000
6881554 Apparatus and methods for chemiluminescent assays Joseph L. DiCesare, David Clark, Michael I. Crockett 2005-04-19 $1,053,000
6548018 Apparatus for chemiluminescent assays Joseph L. DiCesare, David Clark, Michael I. Crockett 2003-04-15 $1,036,000
4726679 Flame atomic absorption spectrophtometer including apparatus and method for logarithmic conversion — 1988-02-23
4716342 Power circuit for spectral analysis gaseous discharge lamps — 1987-12-29
4647201 Atomic absorption spectrophotometer with improved drain trap interlock — 1987-03-03

Frequent Collaborators

Joseph L. DiCesare5 shared
David Clark4 shared
Michael I. Crockett4 shared
Michael J. Rafa3 shared
Avinash Dalmia3 shared
Kyle Mascaritolo2 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14