Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9648855 | Liquid bird feeder | Oliver McLachlan, David Harting | 2017-05-16 |
| 9593881 | Superconducting system for enhanced natural gas production | Eric D. Nelson, Peter C. Rasmussen, Stanley O. Uptigrove | 2017-03-14 |
| 9140490 | Natural gas liquefaction processes with feed gas refrigerant cooling loops | Moses Minta, Raymond Scott Feist | 2015-09-22 |
| 9032908 | Liquid bird feeder | Oliver McLachlan, David Harting | 2015-05-19 |
| 8720374 | Liquid bird feeder | Oliver McLachlan, David Harting | 2014-05-13 |
| 8100085 | Liquid bird feeder | Oliver McLachlan, David Harting | 2012-01-24 |
| 8028658 | Liquid bird feeder | Oliver McLachlan, David Harting | 2011-10-04 |
| 7930994 | Bird feeder having an adjustable hanging cable | Benjamin Beck, Thomas Hagerty, Douglas A. Marsden | 2011-04-26 |
| 7891319 | Liquid bird feeder | Oliver McLachlan, David Harting | 2011-02-22 |
| 7685969 | Liquid bird feeder | Oliver McLachlan, David Harting | 2010-03-30 |
| 7600487 | Liquid bird feeder | Oliver McLachlan, David Harting | 2009-10-13 |
| 7448346 | Bird feeder | Benjamin Beck, David Harting | 2008-11-11 |
| 7347162 | Squirrel proof bird feeder | Mark P. Zieff, Douglas F. Melville, Jr. | 2008-03-25 |
| 6510706 | Process for NGL recovery from pressurized liquid natural gas | Horace Winningham | 2003-01-28 |
| 6378330 | Process for making pressurized liquefied natural gas from pressured natural gas using expansion cooling | Moses Minta, Ronald R. Bowen | 2002-04-30 |
| 6237364 | Process for producing a pressurized methane-rich liquid from a methane-rich gas | — | 2001-05-29 |
| 5682835 | Bird feeder | Glen V. Walter, Mark P. Zieff, Leon A. Gainsboro | 1997-11-04 |
| 5265427 | Refrigerant recovery scheme | George N. Jones | 1993-11-30 |
| 4450066 | Hydrothermal pretreatment to prevent scale during liquefaction of certain solid carbonaceous materials | Frank M. Floyd | 1984-05-22 |
| 4351716 | Liquefaction process | Martin L. Gorbaty, Syamal K. Poddar | 1982-09-28 |