Search

David P Porta

Supervisory Patent Examiner (ID: 12383, Phone: (571)272-2444 , Office: P/2884 )

Most Active Art Unit
2506
Art Unit(s)
2884, 2899, 2878, 2882, 3621, 2876, 2506
Total Applications
1617
Issued Applications
1310
Pending Applications
166
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2797107 [patent_doc_number] => 05145522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Ketene dimer sizing agent for paper making' [patent_app_type] => 1 [patent_app_number] => 7/655417 [patent_app_country] => US [patent_app_date] => 1991-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2889 [patent_no_of_claims] => 6 [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/05/145/05145522.pdf [firstpage_image] =>[orig_patent_app_number] => 655417 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/655417
Ketene dimer sizing agent for paper making Feb 3, 1991 Issued
Array ( [id] => 2919690 [patent_doc_number] => 05186745 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'TEOS based spin-on-glass and processes for making and using the same' [patent_app_type] => 1 [patent_app_number] => 7/650119 [patent_app_country] => US [patent_app_date] => 1991-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2998 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/186/05186745.pdf [firstpage_image] =>[orig_patent_app_number] => 650119 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/650119
TEOS based spin-on-glass and processes for making and using the same Feb 3, 1991 Issued
Array ( [id] => 3079919 [patent_doc_number] => 05279801 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Production of binary rare earth/sulfur or transition metal/sulfur compounds' [patent_app_type] => 1 [patent_app_number] => 7/648138 [patent_app_country] => US [patent_app_date] => 1991-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3711 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279801.pdf [firstpage_image] =>[orig_patent_app_number] => 648138 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/648138
Production of binary rare earth/sulfur or transition metal/sulfur compounds Jan 29, 1991 Issued
Array ( [id] => 2809921 [patent_doc_number] => 05080717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Fluid suspensions of polysaccharide mixtures' [patent_app_type] => 1 [patent_app_number] => 7/645549 [patent_app_country] => US [patent_app_date] => 1991-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5296 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080717.pdf [firstpage_image] =>[orig_patent_app_number] => 645549 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645549
Fluid suspensions of polysaccharide mixtures Jan 23, 1991 Issued
07/645349 ABRASIVE GRITS FORMED BY CERAMIC, IMPREGNATION METHOD OF MAKING THE SAME AND PRODUCTS MADE THEREWITH Jan 23, 1991 Abandoned
Array ( [id] => 2961792 [patent_doc_number] => 05202015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Process for distillate dewaxing coincident with light olefin oligomerization' [patent_app_type] => 1 [patent_app_number] => 7/644144 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3373 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/202/05202015.pdf [firstpage_image] =>[orig_patent_app_number] => 644144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/644144
Process for distillate dewaxing coincident with light olefin oligomerization Jan 21, 1991 Issued
Array ( [id] => 2797125 [patent_doc_number] => 05145523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Solutions for cleaning plastic and metallic surfaces' [patent_app_type] => 1 [patent_app_number] => 7/641619 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4043 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145523.pdf [firstpage_image] =>[orig_patent_app_number] => 641619 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641619
Solutions for cleaning plastic and metallic surfaces Jan 21, 1991 Issued
Array ( [id] => 2833927 [patent_doc_number] => 05171422 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Process for producing a high quality lube base stock in increased yield' [patent_app_type] => 1 [patent_app_number] => 7/640462 [patent_app_country] => US [patent_app_date] => 1991-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5500 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/171/05171422.pdf [firstpage_image] =>[orig_patent_app_number] => 640462 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/640462
Process for producing a high quality lube base stock in increased yield Jan 10, 1991 Issued
Array ( [id] => 2828560 [patent_doc_number] => 05120363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Starch-oil treatment for glass fibers' [patent_app_type] => 1 [patent_app_number] => 7/639618 [patent_app_country] => US [patent_app_date] => 1991-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4582 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120363.pdf [firstpage_image] =>[orig_patent_app_number] => 639618 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/639618
Starch-oil treatment for glass fibers Jan 9, 1991 Issued
Array ( [id] => 2779309 [patent_doc_number] => 05154763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Stabilized aqueous alkyldiketene emulsions' [patent_app_type] => 1 [patent_app_number] => 7/639093 [patent_app_country] => US [patent_app_date] => 1991-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2529 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154763.pdf [firstpage_image] =>[orig_patent_app_number] => 639093 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/639093
Stabilized aqueous alkyldiketene emulsions Jan 8, 1991 Issued
Array ( [id] => 2899223 [patent_doc_number] => 05217928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Hollow glass spheres' [patent_app_type] => 1 [patent_app_number] => 7/637619 [patent_app_country] => US [patent_app_date] => 1991-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3525 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/217/05217928.pdf [firstpage_image] =>[orig_patent_app_number] => 637619 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/637619
Hollow glass spheres Jan 3, 1991 Issued
Array ( [id] => 2748026 [patent_doc_number] => 05071635 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Method of preparing ceramic microspheres' [patent_app_type] => 1 [patent_app_number] => 7/638135 [patent_app_country] => US [patent_app_date] => 1991-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2044 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071635.pdf [firstpage_image] =>[orig_patent_app_number] => 638135 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/638135
Method of preparing ceramic microspheres Jan 3, 1991 Issued
Array ( [id] => 2836770 [patent_doc_number] => 05160546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Lactitol trihydrate crystal, crystalline mixture solid containing it and process for preparing them' [patent_app_type] => 1 [patent_app_number] => 7/636589 [patent_app_country] => US [patent_app_date] => 1991-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4860 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/160/05160546.pdf [firstpage_image] =>[orig_patent_app_number] => 636589 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/636589
Lactitol trihydrate crystal, crystalline mixture solid containing it and process for preparing them Jan 1, 1991 Issued
07/635144 SPECIAL AMYLOSES AND THEIR USE FOR PRODUCING BIODEGRADABLE PLASTICS Dec 30, 1990 Abandoned
07/633178 CERAMIC SUBSTRATE, CIRCUIT SUBSTRATE AND ELECTRONIC CIRCUIT SUBSTRATE BY USE THEREOF AND METHOD FOR PREPARING CERAMIC SUBSTRATE Dec 27, 1990 Abandoned
07/634571 METHOD FOR PRODUCING RAW MATERIALS FOR A REFORMER BY CRACKING AND DESULFURIZING PETROLEUM FUELS Dec 26, 1990 Abandoned
Array ( [id] => 2859686 [patent_doc_number] => 05096496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Primer composition and method for priming substrate surface for adhesion' [patent_app_type] => 1 [patent_app_number] => 7/634997 [patent_app_country] => US [patent_app_date] => 1990-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2953 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096496.pdf [firstpage_image] =>[orig_patent_app_number] => 634997 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634997
Primer composition and method for priming substrate surface for adhesion Dec 26, 1990 Issued
Array ( [id] => 2969832 [patent_doc_number] => 05182013 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Naphthenic acid corrosion inhibitors' [patent_app_type] => 1 [patent_app_number] => 7/631422 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1828 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182013.pdf [firstpage_image] =>[orig_patent_app_number] => 631422 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/631422
Naphthenic acid corrosion inhibitors Dec 20, 1990 Issued
07/630815 WET POWDER BLEND FILM-FORMING COMPOSITION Dec 19, 1990 Abandoned
Array ( [id] => 2875207 [patent_doc_number] => 05158913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => 'Metal boride ceramic material' [patent_app_type] => 1 [patent_app_number] => 7/629025 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3716 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/158/05158913.pdf [firstpage_image] =>[orig_patent_app_number] => 629025 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629025
Metal boride ceramic material Dec 17, 1990 Issued
Menu