Patents by Inventor Jonathan D. Trent

Jonathan D. Trent has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8409845
    Abstract: Methods for producing hydrocarbons, including oil, by processing algae and/or other micro-organisms in an aquatic environment. Flexible bags (e.g., plastic) with CO2/O2 exchange membranes, suspended at a controllable depth in a first liquid (e.g., seawater), receive a second liquid (e.g., liquid effluent from a “dead zone”) containing seeds for algae growth. The algae are cultivated and harvested in the bags, after most of the second liquid is removed by forward osmosis through liquid exchange membranes. The algae are removed and processed, and the bags are cleaned and reused.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: April 2, 2013
    Assignee: The United States of America as Represented by the Administrator of the National Aeronautics & Space Administration (NASA)
    Inventors: Jonathan D Trent, Sherwin J Gormly, Tsegereda N Embaye, Lance D Delzeit, Michael T Flynn, Travis A Liggett, Patrick W Buckwalter, Robert Baertsch
  • Patent number: 8244477
    Abstract: Method and system for estimating a growth stage of an alga in an ambient fluid. Measured light beam absorption or reflection values through or from the alga and through an ambient fluid, in each of two or more wavelength sub-ranges, are compared with reference light beam absorption values for corresponding wavelength sub-ranges for in each alga growth stage to determine (1) which alga growth stage, if any, is more likely and (2) whether estimated lipid content of the alga is increasing or has peaked. Alga growth is preferably terminated when lipid content has approximately reached a maximum value.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: August 14, 2012
    Assignees: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration (NASA), SETI Institute
    Inventors: Tsegereda N. Embaye, Jonathan D. Trent
  • Patent number: 7816491
    Abstract: The following application relates to nanotemplates, nanostructures, nanoarrays and nanodevices formed from wild-type and mutated chaperonin polypeptides, methods of producing such compositions, methods of using such compositions and particular chaperonin polypeptides that can be utilized in producing such compositions.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: October 19, 2010
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Jonathan D. Trent, R. Andrew McMillan, Hiromi Kagawa, Chad D. Paavola
  • Patent number: 7795388
    Abstract: The present invention provides chaperonin polypeptides which are modified to include N-terminal and C-terminal ends that are relocated from the central pore region to various different positions in the polypeptide which are located on the exterior of the folded modified chaperonin polypeptide. In the modified chaperonin polypeptide, the naturally-occurring N-terminal and C-terminal ends are joined together directly or with an intervening linker peptide sequence. The relocated N-terminal or C-terminal ends can be covalently joined to, or bound with another molecule such as a nucleic acid molecule, a lipid, a carbohydrate, a second polypeptide, or a nanoparticle. The modified chaperonin polypeptides can assemble into double-ringed chaperonin structures. Further, the chaperonin structures can organize into higher order structures such as nanofilaments or nanoarrays which can be used to produce nanodevices and nanocoatings.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: September 14, 2010
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration (NASA)
    Inventors: Chad D. Paavola, Jonathan D. Trent, Suzanne L. Chan, Yi-Fen Li, R. Andrew McMillan, Hiromi Kagawa
  • Publication number: 20100216203
    Abstract: Methods for producing hydrocarbons, including oil, by processing algae and/or other micro-organisms in an aquatic environment. Flexible bags (e.g., plastic) with CO2/O2 exchange membranes, suspended at a controllable depth in a first liquid (e.g., seawater), receive a second liquid (e.g., liquid effluent from a “dead zone”) containing seeds for algae growth. The algae are cultivated and harvested in the bags, after most of the second liquid is removed by forward osmosis through liquid exchange membranes. The algae are removed and processed, and the bags are cleaned and reused.
    Type: Application
    Filed: December 5, 2008
    Publication date: August 26, 2010
    Inventors: Jonathan D. Trent, Sherwin J. Gormly, Lance D. Delzeit, Michael T. Flynn, Tsegereda N. Embaye
  • Patent number: 5428131
    Abstract: TF55 is a homooligomeric complex of two stacked rings, closely resembling the quaternary structure of the chaperonins, groEL, hsp60, and RUBISCO-binding protein. Most rings of TF55 contain 9 radially arranged members. The TF55 complex binds unfolded polypeptides in vitro, preventing aggregation at elevated temperature, and exhibits ATPase activity, features consistent with its function as a molecular chaperone. At the level of primary structure, TF55 is not significantly related to the chaperonins but is highly homologous (36-40% identity) to a ubiquitous eukaryotic protein, t complex polypeptide 1 (PCT1).
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: June 27, 1995
    Assignee: Yale University
    Inventors: Jonathan D. Trent, Arthur L. Horwich