Search

Chima U. Igboko

Examiner (ID: 17354, Phone: (571)272-8422 , Office: P/3731 )

Most Active Art Unit
3771
Art Unit(s)
3734, 3771, 3731
Total Applications
522
Issued Applications
379
Pending Applications
72
Abandoned Applications
95

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3424563 [patent_doc_number] => 05454950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-03 [patent_title] => 'Method and apparatus for reverse-injection wet oxidation, sintered material catalytic reaction, sintered material filtration at supercritical conditions, sintered material gas separation, and high temperature pressurization' [patent_app_type] => 1 [patent_app_number] => 8/184951 [patent_app_country] => US [patent_app_date] => 1994-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6466 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/454/05454950.pdf [firstpage_image] =>[orig_patent_app_number] => 184951 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/184951
Method and apparatus for reverse-injection wet oxidation, sintered material catalytic reaction, sintered material filtration at supercritical conditions, sintered material gas separation, and high temperature pressurization Jan 17, 1994 Issued
Array ( [id] => 3413962 [patent_doc_number] => 05433860 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Process for treating waste washing water used for impregnation' [patent_app_type] => 1 [patent_app_number] => 8/122478 [patent_app_country] => US [patent_app_date] => 1994-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2831 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/433/05433860.pdf [firstpage_image] =>[orig_patent_app_number] => 122478 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/122478
Process for treating waste washing water used for impregnation Jan 11, 1994 Issued
08/178792 MATERIAL FOR MEDICAL USE AND PROCESS FOR PREPARING SAME Jan 6, 1994 Abandoned
Array ( [id] => 3419019 [patent_doc_number] => 05458782 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-17 [patent_title] => 'Hydrolytically stable nylon membrane' [patent_app_type] => 1 [patent_app_number] => 8/178742 [patent_app_country] => US [patent_app_date] => 1994-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7654 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/458/05458782.pdf [firstpage_image] =>[orig_patent_app_number] => 178742 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/178742
Hydrolytically stable nylon membrane Jan 6, 1994 Issued
Array ( [id] => 3593975 [patent_doc_number] => RE035292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media' [patent_app_type] => 2 [patent_app_number] => 8/178641 [patent_app_country] => US [patent_app_date] => 1994-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5100 [patent_no_of_claims] => 49 [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/RE/035/RE035292.pdf [firstpage_image] =>[orig_patent_app_number] => 178641 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/178641
Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media Jan 4, 1994 Issued
Array ( [id] => 3456573 [patent_doc_number] => 05468390 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-21 [patent_title] => 'Low fouling ultrafiltration and microfiltration aryl polysulfone' [patent_app_type] => 1 [patent_app_number] => 8/171847 [patent_app_country] => US [patent_app_date] => 1993-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2718 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/468/05468390.pdf [firstpage_image] =>[orig_patent_app_number] => 171847 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/171847
Low fouling ultrafiltration and microfiltration aryl polysulfone Dec 21, 1993 Issued
08/173755 POLYVINYLIDENE FLUORIDE MEMBRANE Dec 21, 1993 Abandoned
Array ( [id] => 3577347 [patent_doc_number] => 05490931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-13 [patent_title] => 'Fabrication of a fluoropolymer hollow fiber having a defect-free separation layer' [patent_app_type] => 1 [patent_app_number] => 8/170650 [patent_app_country] => US [patent_app_date] => 1993-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2529 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/490/05490931.pdf [firstpage_image] =>[orig_patent_app_number] => 170650 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/170650
Fabrication of a fluoropolymer hollow fiber having a defect-free separation layer Dec 16, 1993 Issued
Array ( [id] => 3573239 [patent_doc_number] => RE035252 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Fluid flow control device for water treatment systems' [patent_app_type] => 2 [patent_app_number] => 8/168472 [patent_app_country] => US [patent_app_date] => 1993-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 27 [patent_no_of_words] => 8823 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 19 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/035/RE035252.pdf [firstpage_image] =>[orig_patent_app_number] => 168472 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/168472
Fluid flow control device for water treatment systems Dec 15, 1993 Issued
Array ( [id] => 3471921 [patent_doc_number] => 05431829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-11 [patent_title] => 'Polymethylpentene filtration medium' [patent_app_type] => 1 [patent_app_number] => 8/169334 [patent_app_country] => US [patent_app_date] => 1993-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2059 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/431/05431829.pdf [firstpage_image] =>[orig_patent_app_number] => 169334 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/169334
Polymethylpentene filtration medium Dec 15, 1993 Issued
08/168095 METHOD AND APPARATUS FOR SEPARATING GREASE FROM WATER Dec 14, 1993 Abandoned
Array ( [id] => 3411467 [patent_doc_number] => 05393432 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Separating membrane of polyion complex' [patent_app_type] => 1 [patent_app_number] => 8/157029 [patent_app_country] => US [patent_app_date] => 1993-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3363 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/393/05393432.pdf [firstpage_image] =>[orig_patent_app_number] => 157029 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/157029
Separating membrane of polyion complex Nov 30, 1993 Issued
Array ( [id] => 3491507 [patent_doc_number] => 05531893 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-02 [patent_title] => 'Inter-penetrating network charge modified microporous membrane' [patent_app_type] => 1 [patent_app_number] => 8/160427 [patent_app_country] => US [patent_app_date] => 1993-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4874 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/531/05531893.pdf [firstpage_image] =>[orig_patent_app_number] => 160427 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/160427
Inter-penetrating network charge modified microporous membrane Nov 30, 1993 Issued
Array ( [id] => 3485834 [patent_doc_number] => 05439593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'Solid phase extraction apparatus' [patent_app_type] => 1 [patent_app_number] => 8/158179 [patent_app_country] => US [patent_app_date] => 1993-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3743 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/439/05439593.pdf [firstpage_image] =>[orig_patent_app_number] => 158179 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/158179
Solid phase extraction apparatus Nov 22, 1993 Issued
08/142484 LIQUID FILTRATION AND INCINERATION Nov 17, 1993 Abandoned
Array ( [id] => 3113021 [patent_doc_number] => 05380442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Regeneration of used stretford solution for recycle' [patent_app_type] => 1 [patent_app_number] => 8/154055 [patent_app_country] => US [patent_app_date] => 1993-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2867 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/380/05380442.pdf [firstpage_image] =>[orig_patent_app_number] => 154055 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/154055
Regeneration of used stretford solution for recycle Nov 17, 1993 Issued
08/151476 METHOD OF FILTERING SUBMICRON PARTICLES AND ASSOCIATED PRODUCT Nov 11, 1993 Abandoned
Array ( [id] => 3505609 [patent_doc_number] => 05562831 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Method for separation of gibberellin mixtures' [patent_app_type] => 1 [patent_app_number] => 8/146108 [patent_app_country] => US [patent_app_date] => 1993-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2339 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/562/05562831.pdf [firstpage_image] =>[orig_patent_app_number] => 146108 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/146108
Method for separation of gibberellin mixtures Nov 9, 1993 Issued
Array ( [id] => 3502709 [patent_doc_number] => 05569384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-29 [patent_title] => 'Process for recovering the overspray of aqueous coating agents during spray application in spray booths' [patent_app_type] => 1 [patent_app_number] => 8/148182 [patent_app_country] => US [patent_app_date] => 1993-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4254 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/569/05569384.pdf [firstpage_image] =>[orig_patent_app_number] => 148182 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/148182
Process for recovering the overspray of aqueous coating agents during spray application in spray booths Nov 4, 1993 Issued
Array ( [id] => 3032828 [patent_doc_number] => 05376263 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-27 [patent_title] => 'Pump control apparatus for cellular filtration systems employing rotating microporous membranes' [patent_app_type] => 1 [patent_app_number] => 8/146458 [patent_app_country] => US [patent_app_date] => 1993-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 11777 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/376/05376263.pdf [firstpage_image] =>[orig_patent_app_number] => 146458 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/146458
Pump control apparatus for cellular filtration systems employing rotating microporous membranes Nov 1, 1993 Issued
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