Search

Ngan V. Ngo

Examiner (ID: 3789, Phone: (571)272-1711 , Office: P/2819 )

Most Active Art Unit
2503
Art Unit(s)
2503, 2814, 2818, 2819, 2893, 2811
Total Applications
3475
Issued Applications
2900
Pending Applications
46
Abandoned Applications
536

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2112290 [patent_doc_number] => 04484985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-27 [patent_title] => 'Distillation and condensing process' [patent_app_type] => 1 [patent_app_number] => 6/497475 [patent_app_country] => US [patent_app_date] => 1983-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2699 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/484/04484985.pdf [firstpage_image] =>[orig_patent_app_number] => 497475 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/497475
Distillation and condensing process May 22, 1983 Issued
Array ( [id] => 2112300 [patent_doc_number] => 04484986 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-27 [patent_title] => 'Process for distillation and condensation' [patent_app_type] => 1 [patent_app_number] => 6/497476 [patent_app_country] => US [patent_app_date] => 1983-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3358 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/484/04484986.pdf [firstpage_image] =>[orig_patent_app_number] => 497476 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/497476
Process for distillation and condensation May 22, 1983 Issued
Array ( [id] => 2112282 [patent_doc_number] => 04484984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-27 [patent_title] => 'Distillation with condensation process' [patent_app_type] => 1 [patent_app_number] => 6/497374 [patent_app_country] => US [patent_app_date] => 1983-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2351 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/484/04484984.pdf [firstpage_image] =>[orig_patent_app_number] => 497374 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/497374
Distillation with condensation process May 22, 1983 Issued
06/496709 PROCESS AND APPARATUS FOR THE DISTILLATION OF FRESH WATER FROM SEA WATER May 19, 1983 Abandoned
Array ( [id] => 2117625 [patent_doc_number] => 04448644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-15 [patent_title] => 'Method of producing ethanol-water azeotrope from crude ethanol' [patent_app_type] => 1 [patent_app_number] => 6/493653 [patent_app_country] => US [patent_app_date] => 1983-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2800 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/448/04448644.pdf [firstpage_image] =>[orig_patent_app_number] => 493653 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/493653
Method of producing ethanol-water azeotrope from crude ethanol May 11, 1983 Issued
06/491625 PROCESS FOR PRODUCING TRIBUTYL PHOSPHATE ESTERS May 4, 1983 Abandoned
Array ( [id] => 2265169 [patent_doc_number] => 04612090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-16 [patent_title] => 'Water degasification and distillation apparatus' [patent_app_type] => 1 [patent_app_number] => 6/489767 [patent_app_country] => US [patent_app_date] => 1983-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 5337 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/612/04612090.pdf [firstpage_image] =>[orig_patent_app_number] => 489767 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/489767
Water degasification and distillation apparatus Apr 28, 1983 Issued
Array ( [id] => 2113402 [patent_doc_number] => 04439278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-27 [patent_title] => 'Process inhibitor for readily polymerizable ethylenically unsaturated aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 6/489678 [patent_app_country] => US [patent_app_date] => 1983-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2942 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/439/04439278.pdf [firstpage_image] =>[orig_patent_app_number] => 489678 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/489678
Process inhibitor for readily polymerizable ethylenically unsaturated aromatic compounds Apr 27, 1983 Issued
Array ( [id] => 2066063 [patent_doc_number] => 04459178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-10 [patent_title] => 'Separation of isopropyl ether from methyl ethyl ketone by extractive distillation' [patent_app_type] => 1 [patent_app_number] => 6/488398 [patent_app_country] => US [patent_app_date] => 1983-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4522 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/459/04459178.pdf [firstpage_image] =>[orig_patent_app_number] => 488398 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/488398
Separation of isopropyl ether from methyl ethyl ketone by extractive distillation Apr 24, 1983 Issued
Array ( [id] => 2128632 [patent_doc_number] => 04543164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-24 [patent_title] => 'Separation of methyl acetate from methanol by extractive distillation' [patent_app_type] => 1 [patent_app_number] => 6/485006 [patent_app_country] => US [patent_app_date] => 1983-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5113 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/543/04543164.pdf [firstpage_image] =>[orig_patent_app_number] => 485006 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/485006
Separation of methyl acetate from methanol by extractive distillation Apr 13, 1983 Issued
Array ( [id] => 2144589 [patent_doc_number] => 04559109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-17 [patent_title] => 'Dehydration of alcohol with extractive distillation' [patent_app_type] => 1 [patent_app_number] => 6/480999 [patent_app_country] => US [patent_app_date] => 1983-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6903 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/559/04559109.pdf [firstpage_image] =>[orig_patent_app_number] => 480999 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/480999
Dehydration of alcohol with extractive distillation Mar 30, 1983 Issued
Array ( [id] => 2116629 [patent_doc_number] => 04488936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-18 [patent_title] => 'Heat input control of an extractive distillation column' [patent_app_type] => 1 [patent_app_number] => 6/474315 [patent_app_country] => US [patent_app_date] => 1983-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4896 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/488/04488936.pdf [firstpage_image] =>[orig_patent_app_number] => 474315 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/474315
Heat input control of an extractive distillation column Mar 9, 1983 Issued
Array ( [id] => 2346795 [patent_doc_number] => 04702801 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-27 [patent_title] => 'Process and apparatus for the determination of column tray efficiency' [patent_app_type] => 1 [patent_app_number] => 6/472801 [patent_app_country] => US [patent_app_date] => 1983-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6132 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/702/04702801.pdf [firstpage_image] =>[orig_patent_app_number] => 472801 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/472801
Process and apparatus for the determination of column tray efficiency Mar 6, 1983 Issued
Array ( [id] => 2345904 [patent_doc_number] => 04692218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-08 [patent_title] => 'Process for producing ethanol' [patent_app_type] => 1 [patent_app_number] => 6/471785 [patent_app_country] => US [patent_app_date] => 1983-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3696 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/692/04692218.pdf [firstpage_image] =>[orig_patent_app_number] => 471785 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/471785
Process for producing ethanol Mar 2, 1983 Issued
Array ( [id] => 2029006 [patent_doc_number] => 04415409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-15 [patent_title] => 'Process for the separation of high boiling oxygenated compounds from mixtures with phenol and/or cresol' [patent_app_type] => 1 [patent_app_number] => 6/468242 [patent_app_country] => US [patent_app_date] => 1983-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2490 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/415/04415409.pdf [firstpage_image] =>[orig_patent_app_number] => 468242 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/468242
Process for the separation of high boiling oxygenated compounds from mixtures with phenol and/or cresol Feb 21, 1983 Issued
Array ( [id] => 2174687 [patent_doc_number] => 04557799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-10 [patent_title] => 'Tomato consistency control apparatus' [patent_app_type] => 1 [patent_app_number] => 6/565836 [patent_app_country] => US [patent_app_date] => 1983-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4907 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/557/04557799.pdf [firstpage_image] =>[orig_patent_app_number] => 565836 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/565836
Tomato consistency control apparatus Feb 20, 1983 Issued
Array ( [id] => 2006409 [patent_doc_number] => 04421607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-20 [patent_title] => 'Process for extractive distillation of plural hydrocarbon mixtures' [patent_app_type] => 1 [patent_app_number] => 6/463049 [patent_app_country] => US [patent_app_date] => 1983-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3493 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/421/04421607.pdf [firstpage_image] =>[orig_patent_app_number] => 463049 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/463049
Process for extractive distillation of plural hydrocarbon mixtures Jan 31, 1983 Issued
06/462228 PROCESS FOR THE SEPARATION OF MIXTURES OF PARAFFIN OR RESPECTIVELY PARAFFINS OF 6-14 CARBON ATOMS AND ALCOHOL OR RESPECTIVELY ALCOHOLS OF 4-8 CARBON ATOMS Jan 30, 1983 Abandoned
Array ( [id] => 2081742 [patent_doc_number] => 04450047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-22 [patent_title] => 'Process for recovering anhydrous alkanesulfonic acids by reduced pressure, falling film evaporation' [patent_app_type] => 1 [patent_app_number] => 6/461776 [patent_app_country] => US [patent_app_date] => 1983-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1785 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/450/04450047.pdf [firstpage_image] =>[orig_patent_app_number] => 461776 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/461776
Process for recovering anhydrous alkanesulfonic acids by reduced pressure, falling film evaporation Jan 27, 1983 Issued
06/460261 PROCESS FOR PURIFYING PHOSPHONITRILE CHLORIDES Jan 23, 1983 Abandoned
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