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] => 2772686 [patent_doc_number] => 05132253 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Sol-gel method for making ceramic materials' [patent_app_type] => 1 [patent_app_number] => 7/628413 [patent_app_country] => US [patent_app_date] => 1990-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5844 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/132/05132253.pdf [firstpage_image] =>[orig_patent_app_number] => 628413 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/628413
Sol-gel method for making ceramic materials Dec 16, 1990 Issued
Array ( [id] => 2930753 [patent_doc_number] => 05190584 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Ketene dimer paper sizing agents modified by nonreactive hydrophobes' [patent_app_type] => 1 [patent_app_number] => 7/627944 [patent_app_country] => US [patent_app_date] => 1990-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3188 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/190/05190584.pdf [firstpage_image] =>[orig_patent_app_number] => 627944 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/627944
Ketene dimer paper sizing agents modified by nonreactive hydrophobes Dec 12, 1990 Issued
07/626271 PROCESS FOR PREPARING A SULPHONATED DISPERSANT FROM PETROLEUM ASPHALT FRACTIONS Dec 11, 1990 Abandoned
Array ( [id] => 2779343 [patent_doc_number] => 05154765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Decorative objects with multicolor effects' [patent_app_type] => 1 [patent_app_number] => 7/625464 [patent_app_country] => US [patent_app_date] => 1990-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3160 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154765.pdf [firstpage_image] =>[orig_patent_app_number] => 625464 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/625464
Decorative objects with multicolor effects Dec 10, 1990 Issued
Array ( [id] => 2733201 [patent_doc_number] => 05032553 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'High density high strength alpha sialon based article and process for producing same' [patent_app_type] => 1 [patent_app_number] => 7/624501 [patent_app_country] => US [patent_app_date] => 1990-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2998 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032553.pdf [firstpage_image] =>[orig_patent_app_number] => 624501 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624501
High density high strength alpha sialon based article and process for producing same Dec 6, 1990 Issued
Array ( [id] => 2926017 [patent_doc_number] => 05196058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Pavement construction composition and method therefor' [patent_app_type] => 1 [patent_app_number] => 7/624309 [patent_app_country] => US [patent_app_date] => 1990-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2724 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/196/05196058.pdf [firstpage_image] =>[orig_patent_app_number] => 624309 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624309
Pavement construction composition and method therefor Dec 6, 1990 Issued
Array ( [id] => 2789790 [patent_doc_number] => 05102835 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Metal boride ceramic material' [patent_app_type] => 1 [patent_app_number] => 7/622638 [patent_app_country] => US [patent_app_date] => 1990-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1059 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102835.pdf [firstpage_image] =>[orig_patent_app_number] => 622638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/622638
Metal boride ceramic material Dec 4, 1990 Issued
Array ( [id] => 2815619 [patent_doc_number] => 05167706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Silane primer composition' [patent_app_type] => 1 [patent_app_number] => 7/622064 [patent_app_country] => US [patent_app_date] => 1990-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2952 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/167/05167706.pdf [firstpage_image] =>[orig_patent_app_number] => 622064 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/622064
Silane primer composition Dec 3, 1990 Issued
07/613543 METHOD UPON A TEMPERATURE INCREASE OF COUNTERACTING A VISCOSITY DECREASE OR PROVIDING A VISCOSITY INCREASE IN A WATER-BASE SYSTEM CONTAINING A POLYMER AS VISCOSITY AGENT Nov 25, 1990 Abandoned
Array ( [id] => 2771875 [patent_doc_number] => 05151159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-29 [patent_title] => 'Method and apparatus for converting coal into liquid fuel and metallurgical coke' [patent_app_type] => 1 [patent_app_number] => 7/614085 [patent_app_country] => US [patent_app_date] => 1990-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3235 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/151/05151159.pdf [firstpage_image] =>[orig_patent_app_number] => 614085 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/614085
Method and apparatus for converting coal into liquid fuel and metallurgical coke Nov 14, 1990 Issued
07/614186 ZINC SULFIDE BODIES HAVING IMPROVED OPTICAL TRANSMITTANCE CHARACTERISTICS AND MECHANICAL CHARACTERISTICS Nov 13, 1990 Abandoned
Array ( [id] => 2860622 [patent_doc_number] => 05082806 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-21 [patent_title] => 'Semi-conducting ceramic' [patent_app_type] => 1 [patent_app_number] => 7/612506 [patent_app_country] => US [patent_app_date] => 1990-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5604 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/082/05082806.pdf [firstpage_image] =>[orig_patent_app_number] => 612506 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/612506
Semi-conducting ceramic Nov 13, 1990 Issued
Array ( [id] => 2870417 [patent_doc_number] => 05118354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Method for making branched cyclodextrins and product produced thereby' [patent_app_type] => 1 [patent_app_number] => 7/609899 [patent_app_country] => US [patent_app_date] => 1990-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2931 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118354.pdf [firstpage_image] =>[orig_patent_app_number] => 609899 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/609899
Method for making branched cyclodextrins and product produced thereby Nov 5, 1990 Issued
07/607200 WATER-SOLUBLE SOLDERING FLUX Oct 30, 1990 Abandoned
07/606760 COMPOSITION FOR PRODUCING A MONOMOLECULAR FILM ON SURFACES OF VARIOUS MATERIALS Oct 30, 1990 Abandoned
07/607558 AQUEOUS-BASED COATING COMPOSITION COMPRISING WATER-INSOLUBLE RESIN Oct 30, 1990 Abandoned
Array ( [id] => 2817483 [patent_doc_number] => 05094691 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Tungstic oxide-stannic oxide composite sol and method of preparing the same' [patent_app_type] => 1 [patent_app_number] => 7/605424 [patent_app_country] => US [patent_app_date] => 1990-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13816 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094691.pdf [firstpage_image] =>[orig_patent_app_number] => 605424 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/605424
Tungstic oxide-stannic oxide composite sol and method of preparing the same Oct 29, 1990 Issued
Array ( [id] => 2822378 [patent_doc_number] => 05127944 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Method for producing designs and image patterns on denim products, and paste agents for drawing designs on denim products' [patent_app_type] => 1 [patent_app_number] => 7/606069 [patent_app_country] => US [patent_app_date] => 1990-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1585 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/127/05127944.pdf [firstpage_image] =>[orig_patent_app_number] => 606069 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/606069
Method for producing designs and image patterns on denim products, and paste agents for drawing designs on denim products Oct 29, 1990 Issued
Array ( [id] => 2742655 [patent_doc_number] => 05021094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Grouting composition' [patent_app_type] => 1 [patent_app_number] => 7/601348 [patent_app_country] => US [patent_app_date] => 1990-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2930 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/021/05021094.pdf [firstpage_image] =>[orig_patent_app_number] => 601348 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/601348
Grouting composition Oct 22, 1990 Issued
Array ( [id] => 2878987 [patent_doc_number] => 05213679 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Process for the catalytic conversion of a hydrocarbon feedstock' [patent_app_type] => 1 [patent_app_number] => 7/597860 [patent_app_country] => US [patent_app_date] => 1990-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5259 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/213/05213679.pdf [firstpage_image] =>[orig_patent_app_number] => 597860 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/597860
Process for the catalytic conversion of a hydrocarbon feedstock Oct 14, 1990 Issued
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