Rowles; Howard C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Rowles; Howard C..The latest application filed is for "olefin recovery from olefin-hydrogen mixtures".

Company Profile

0.18.0

Rowles; Howard C. - Center Valley PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Olefin recovery from olefin-hydrogen mixtures Grant 5,634,354 - Howard , et al. June 3, 1	1997-06-03
Mixed refrigerant cycle for ethylene recovery Grant 5,379,597 - Howard , et al. January 10, 1	1995-01-10
Open loop mixed refrigerant cycle for ethylene recovery Grant 5,377,490 - Howard , et al. January 3, 1	1995-01-03
Precooling for ethylene recovery in dual demethanizer fractionation systems Grant 5,361,589 - Howard , et al. November 8, 1	1994-11-08
Process for the recovery of C.sub.2 + or C.sub.3 + hydrocarbons Grant 5,287,703 - Bernhard , et al. February 22, 1	1994-02-22
Mixed refrigerant/expander process for the recovery of C3+ hydrocarbons Grant 4,921,514 - Rowles , et al. May 1, 1	1990-05-01
Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas Grant 4,734,115 - Howard , et al. March 29, 1	1988-03-29
Dephlegmator process for nitrogen rejection from natural gas Grant 4,732,598 - Rowles , et al. March 22, 1	1988-03-22
Dephlegmator process for carbon dioxide-hydrocarbon distillation Grant 4,720,294 - Lucadamo , et al. January 19, 1	1988-01-19
Process for recovery and purification of C.sub.3 -C.sub.4+ hydrocarbons using segregated phase separation and dephlegmation Grant 4,714,487 - Rowles December 22, 1	1987-12-22
Dual dephlegmator process to separate and purify syngas mixtures Grant 4,525,187 - Woodward , et al. June 25, 1	1985-06-25
Process for recovering C.sub.4 + hydrocarbons using a dephlegmator Grant 4,519,825 - Bernhard , et al. May 28, 1	1985-05-28
Perforated bubble caps for enhanced vapor/liquid contact on a distillation tray Grant 4,510,023 - Bennett , et al. April 9, 1	1985-04-09
Process using serpentine heat exchange relationship for condensing substantially single component gas streams Grant 4,496,382 - Geist , et al. January 29, 1	1985-01-29
Nitrogen rejection process incorporating a serpentine heat exchanger Grant 4,455,158 - Vines , et al. June 19, 1	1984-06-19
Separation of hydrogen containing gas mixtures Grant 4,270,939 - Rowles , et al. June 2, 1	1981-06-02
Recovery of C.sub.2 hydrocarbons from demethanizer overhead Grant 4,270,940 - Rowles , et al. June 2, 1	1981-06-02
Recovery of C.sub.2 + hydrocarbons by plural stage rectification and first stage dephlegmation Grant 4,002,042 - Pryor , et al. January 11, 1	1977-01-11

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