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

Kirk E. Apt — 45 Patents

DBDsm Ip Assets B.V.: 33 patents #6 of 2,011Top 1%
MBMartek Biosciences: 10 patents #9 of 76Top 15%
MEMerial: 1 patents #200 of 414Top 50%
Ellicott City, MD: #10 of 1,185 inventorsTop 1%
Maryland: #304 of 35,612 inventorsTop 1%
Overall (All Time): #63,836 of 4,157,543Top 2%
45 Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
9222112 Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof Paul Warren Behrens, Jon Milton Hansen, Joseph W. Pfeifer, III, Tracey Lynn Stahl, Ross Zirkle 2015-12-29
9045785 Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof Joseph W. Pfeifer, III, Jon Milton Hansen, Jose R. GARCIA, Xiao Daniel DONG, Paul Warren Behrens 2015-06-02
9012197 Production of hemagglutinin-neuraminidase protein in microalgae Anne-Cecile V. BAYNE, James Casey Lippmeier, Xuan Guo, Joyce Pritchard 2015-04-21
9012616 Polynucleotide for improving protein production in microorganisms of the phylum labyrinthulomycota James Casey Lippmeier, David A. Simpson, Jun Wang, James P. Wynn, Ross Zirkle 2015-04-21
8940884 Polyunsaturated fatty acid synthase nucleic acid molecules and polypeptides, compositions, and methods of making and uses thereof Leslie Richter, David A. Simpson, Ross Zirkle 2015-01-27
8735109 Yeast strains and their uses in the production of lipids William R. Barclay, Paul Warren Behrens 2014-05-27
8669090 Production of high levels of DHA in microalgae using modified amounts of chloride and potassium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2014-03-11
8663953 Production of high levels of DHA in microalgae using modified amounts of chloride and potassium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2014-03-04
8637651 Protein production in microorganisms of the phylum labyrinthulomycota James Casey Lippmeier, David A. Simpson, Jun Wang, James P. Wynn, Ross Zirkle 2014-01-28
8529886 Yeast strains and their uses in the production of lipids William R. Barclay, Paul Warren Behrens 2013-09-10
8207363 Thraustochytrids, fatty acid compositions, and methods of making and uses thereof Joseph W. Pfeifer, III, Jon Milton Hansen, Paul Warren Behrens, Ross Zirkle, Tracey Lynn Stahl 2012-06-26
8008050 Methods for discouraging bacterial growth in culture medium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2011-08-30
8008061 Trophic conversion of obligate phototrophic algae through metabolic engineering F. C. Thomas Allnutt, David J. Kyle, James Casy Lippmeier 2011-08-30
7939710 Trophic conversion of obligate phototrophic algae through metabolic engineering F. C. Thomas Allnutt, David J. Kyle, James Casey Lippmeier 2011-05-10
7871809 Production of DHA in microalgae in medium having modified amounts of chloride ion and potassium ion Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2011-01-18
7829129 Method to reduce corrosion during fermentation of microalgae Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2010-11-09
7824892 Production of DHA in microalgae in medium having modified amounts of potassium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2010-11-02
7745183 Methods for the selection of low pH-tolerant, DHA producing microalgae Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2010-06-29
7252979 Production of DHA in microalgae in low pH medium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2007-08-07
7163811 Production of high levels of DHA in microalgae using modified amounts of chloride and potassium Paul Warren Behrens, John M. Thompson, Joseph W. Pfeifer, III, James P. Wynn, James Casey Lippmeier +2 more 2007-01-16