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] => 2860583 [patent_doc_number] => 05096544 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Seawater pre-deaerator for open-cycle ocean thermal energy conversion applications' [patent_app_type] => 1 [patent_app_number] => 7/350912 [patent_app_country] => US [patent_app_date] => 1989-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2808 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096544.pdf [firstpage_image] =>[orig_patent_app_number] => 350912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/350912
Seawater pre-deaerator for open-cycle ocean thermal energy conversion applications May 11, 1989 Issued
Array ( [id] => 2874172 [patent_doc_number] => 05108531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Method and apparatus for stereographic printing with preshrinking' [patent_app_type] => 1 [patent_app_number] => 7/347653 [patent_app_country] => US [patent_app_date] => 1989-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2047 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/108/05108531.pdf [firstpage_image] =>[orig_patent_app_number] => 347653 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/347653
Method and apparatus for stereographic printing with preshrinking May 4, 1989 Issued
Array ( [id] => 2619306 [patent_doc_number] => 04950364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane' [patent_app_type] => 1 [patent_app_number] => 7/347603 [patent_app_country] => US [patent_app_date] => 1989-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2215 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/950/04950364.pdf [firstpage_image] =>[orig_patent_app_number] => 347603 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/347603
Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane May 3, 1989 Issued
Array ( [id] => 2591689 [patent_doc_number] => 04975156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof' [patent_app_type] => 1 [patent_app_number] => 7/347606 [patent_app_country] => US [patent_app_date] => 1989-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3505 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975156.pdf [firstpage_image] =>[orig_patent_app_number] => 347606 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/347606
Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof May 3, 1989 Issued
Array ( [id] => 2622486 [patent_doc_number] => 04915784 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-10 [patent_title] => 'Process and apparatus for removing contaminants from pulp digester vent gas' [patent_app_type] => 1 [patent_app_number] => 7/346634 [patent_app_country] => US [patent_app_date] => 1989-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2836 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/915/04915784.pdf [firstpage_image] =>[orig_patent_app_number] => 346634 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/346634
Process and apparatus for removing contaminants from pulp digester vent gas May 2, 1989 Issued
Array ( [id] => 2738378 [patent_doc_number] => 05002626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Method of preparing continuous label paper' [patent_app_type] => 1 [patent_app_number] => 7/343253 [patent_app_country] => US [patent_app_date] => 1989-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4448 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002626.pdf [firstpage_image] =>[orig_patent_app_number] => 343253 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/343253
Method of preparing continuous label paper Apr 25, 1989 Issued
Array ( [id] => 2720839 [patent_doc_number] => 05057332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Apparatus and process for marinating foodstuffs' [patent_app_type] => 1 [patent_app_number] => 7/331854 [patent_app_country] => US [patent_app_date] => 1989-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3012 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/057/05057332.pdf [firstpage_image] =>[orig_patent_app_number] => 331854 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/331854
Apparatus and process for marinating foodstuffs Apr 2, 1989 Issued
Array ( [id] => 2740954 [patent_doc_number] => 04986885 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-22 [patent_title] => 'Process for the separation of butanol and butoxyacetaldehyde' [patent_app_type] => 1 [patent_app_number] => 7/329942 [patent_app_country] => US [patent_app_date] => 1989-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2775 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/986/04986885.pdf [firstpage_image] =>[orig_patent_app_number] => 329942 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/329942
Process for the separation of butanol and butoxyacetaldehyde Mar 28, 1989 Issued
Array ( [id] => 2551538 [patent_doc_number] => 04897161 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-30 [patent_title] => 'Separation of vinyl acetate from ethyl acetate by extractive distillation' [patent_app_type] => 1 [patent_app_number] => 7/326086 [patent_app_country] => US [patent_app_date] => 1989-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2241 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/897/04897161.pdf [firstpage_image] =>[orig_patent_app_number] => 326086 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/326086
Separation of vinyl acetate from ethyl acetate by extractive distillation Mar 19, 1989 Issued
Array ( [id] => 2687356 [patent_doc_number] => 05019195 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Method of encapsulating a coated substrate' [patent_app_type] => 1 [patent_app_number] => 7/325376 [patent_app_country] => US [patent_app_date] => 1989-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2192 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/019/05019195.pdf [firstpage_image] =>[orig_patent_app_number] => 325376 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/325376
Method of encapsulating a coated substrate Mar 16, 1989 Issued
Array ( [id] => 2612790 [patent_doc_number] => 04943354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Process for the continuous separation of water from methyl tert-butyl ether mixtures' [patent_app_type] => 1 [patent_app_number] => 7/326493 [patent_app_country] => US [patent_app_date] => 1989-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2617 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943354.pdf [firstpage_image] =>[orig_patent_app_number] => 326493 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/326493
Process for the continuous separation of water from methyl tert-butyl ether mixtures Mar 16, 1989 Issued
Array ( [id] => 2579534 [patent_doc_number] => 04925533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-15 [patent_title] => 'Separation of vinyl acetate from ethyl acetate by extractive distillation with acids or acid amides' [patent_app_type] => 1 [patent_app_number] => 7/319166 [patent_app_country] => US [patent_app_date] => 1989-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2043 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/925/04925533.pdf [firstpage_image] =>[orig_patent_app_number] => 319166 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/319166
Separation of vinyl acetate from ethyl acetate by extractive distillation with acids or acid amides Mar 5, 1989 Issued
Array ( [id] => 2586110 [patent_doc_number] => 04917773 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Process for introducing zirconium tetrachloride, hafnium tetrachloride and mixtures thereof into a column for the continuous extractive distillation under pressure of said chlorides' [patent_app_type] => 1 [patent_app_number] => 7/319054 [patent_app_country] => US [patent_app_date] => 1989-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2569 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/917/04917773.pdf [firstpage_image] =>[orig_patent_app_number] => 319054 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/319054
Process for introducing zirconium tetrachloride, hafnium tetrachloride and mixtures thereof into a column for the continuous extractive distillation under pressure of said chlorides Mar 5, 1989 Issued
Array ( [id] => 2647052 [patent_doc_number] => 04946029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Purification of carboxylic esters which contain aldehydes, acetals and/or unsaturated compounds' [patent_app_type] => 1 [patent_app_number] => 7/314952 [patent_app_country] => US [patent_app_date] => 1989-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2815 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/946/04946029.pdf [firstpage_image] =>[orig_patent_app_number] => 314952 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/314952
Purification of carboxylic esters which contain aldehydes, acetals and/or unsaturated compounds Feb 23, 1989 Issued
Array ( [id] => 2519867 [patent_doc_number] => 04861436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Recovery of 4-methyl-2-pentanone from acetic acid by distillation' [patent_app_type] => 1 [patent_app_number] => 7/307035 [patent_app_country] => US [patent_app_date] => 1989-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 845 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/861/04861436.pdf [firstpage_image] =>[orig_patent_app_number] => 307035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/307035
Recovery of 4-methyl-2-pentanone from acetic acid by distillation Feb 6, 1989 Issued
Array ( [id] => 2778761 [patent_doc_number] => 05092964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Production of low cholesterol butter oil by vapor sparging' [patent_app_type] => 1 [patent_app_number] => 7/305712 [patent_app_country] => US [patent_app_date] => 1989-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4136 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092964.pdf [firstpage_image] =>[orig_patent_app_number] => 305712 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/305712
Production of low cholesterol butter oil by vapor sparging Feb 2, 1989 Issued
07/306593 DISTILLATION APPARATUS AND METHOD Feb 2, 1989 Abandoned
Array ( [id] => 2585284 [patent_doc_number] => 04969977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Separation of 2-methyl-butanol-1 from pentanol-1 by extractive distillation' [patent_app_type] => 1 [patent_app_number] => 7/302980 [patent_app_country] => US [patent_app_date] => 1989-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3029 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969977.pdf [firstpage_image] =>[orig_patent_app_number] => 302980 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/302980
Separation of 2-methyl-butanol-1 from pentanol-1 by extractive distillation Jan 29, 1989 Issued
07/302696 PROCESS FOR PURIFYING 2-(4-ISOBUTYLPHENYL)-PROPIONIC ACID Jan 26, 1989 Abandoned
Array ( [id] => 2518103 [patent_doc_number] => 04877490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Dehydration of formic acid by extractive distillation with dicarboxylic acids' [patent_app_type] => 1 [patent_app_number] => 7/299977 [patent_app_country] => US [patent_app_date] => 1989-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5151 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/877/04877490.pdf [firstpage_image] =>[orig_patent_app_number] => 299977 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/299977
Dehydration of formic acid by extractive distillation with dicarboxylic acids Jan 22, 1989 Issued
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