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] => 3092257 [patent_doc_number] => 05318765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Monoclinic zirconium dioxide, method of its production and use' [patent_app_type] => 1 [patent_app_number] => 7/842610 [patent_app_country] => US [patent_app_date] => 1992-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4545 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/318/05318765.pdf [firstpage_image] =>[orig_patent_app_number] => 842610 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/842610
Monoclinic zirconium dioxide, method of its production and use Feb 26, 1992 Issued
Array ( [id] => 3025275 [patent_doc_number] => 05342590 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-30 [patent_title] => 'Method of making alkali metal stannates' [patent_app_type] => 1 [patent_app_number] => 7/807870 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 947 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/342/05342590.pdf [firstpage_image] =>[orig_patent_app_number] => 807870 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807870
Method of making alkali metal stannates Feb 23, 1992 Issued
Array ( [id] => 2962699 [patent_doc_number] => 05258069 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-02 [patent_title] => 'Process for preparing joint, spackling and texture compounds for gypsum dry walls' [patent_app_type] => 1 [patent_app_number] => 7/839798 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1832 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/258/05258069.pdf [firstpage_image] =>[orig_patent_app_number] => 839798 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839798
Process for preparing joint, spackling and texture compounds for gypsum dry walls Feb 23, 1992 Issued
Array ( [id] => 2944384 [patent_doc_number] => 05262134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Process for producing sodium salts from brines of sodium ores' [patent_app_type] => 1 [patent_app_number] => 7/839641 [patent_app_country] => US [patent_app_date] => 1992-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 11553 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262134.pdf [firstpage_image] =>[orig_patent_app_number] => 839641 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839641
Process for producing sodium salts from brines of sodium ores Feb 20, 1992 Issued
Array ( [id] => 2945437 [patent_doc_number] => 05242493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Asphaltic concrete product for the fixation of contaminated soils' [patent_app_type] => 1 [patent_app_number] => 7/839345 [patent_app_country] => US [patent_app_date] => 1992-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4845 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/242/05242493.pdf [firstpage_image] =>[orig_patent_app_number] => 839345 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839345
Asphaltic concrete product for the fixation of contaminated soils Feb 19, 1992 Issued
Array ( [id] => 2891420 [patent_doc_number] => 05217530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Performance-modified asphalt pavements using recycled roofing waste' [patent_app_type] => 1 [patent_app_number] => 7/835212 [patent_app_country] => US [patent_app_date] => 1992-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5534 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/217/05217530.pdf [firstpage_image] =>[orig_patent_app_number] => 835212 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835212
Performance-modified asphalt pavements using recycled roofing waste Feb 12, 1992 Issued
Array ( [id] => 3087812 [patent_doc_number] => 05290528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Process for removing arsenic from soil' [patent_app_type] => 1 [patent_app_number] => 7/836057 [patent_app_country] => US [patent_app_date] => 1992-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4412 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/290/05290528.pdf [firstpage_image] =>[orig_patent_app_number] => 836057 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/836057
Process for removing arsenic from soil Feb 11, 1992 Issued
Array ( [id] => 3056347 [patent_doc_number] => 05310421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Play material' [patent_app_type] => 1 [patent_app_number] => 7/832272 [patent_app_country] => US [patent_app_date] => 1992-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2310 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/310/05310421.pdf [firstpage_image] =>[orig_patent_app_number] => 832272 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832272
Play material Feb 6, 1992 Issued
07/830664 HIGH-PURITY IRON OXIDE, AND METHOD FOR PRODUCTION THEREOF Feb 3, 1992 Abandoned
07/829533 EMULSIFIER FOR PRODUCING EMULSIFIED SLOW-BREAKING CATIONIC ASPHALT Feb 2, 1992 Abandoned
Array ( [id] => 3065639 [patent_doc_number] => 05360473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'Thermoformable compounds, their process of preparation and their use in order to obtain thermoformed articles' [patent_app_type] => 1 [patent_app_number] => 7/827214 [patent_app_country] => US [patent_app_date] => 1992-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6288 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/360/05360473.pdf [firstpage_image] =>[orig_patent_app_number] => 827214 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827214
Thermoformable compounds, their process of preparation and their use in order to obtain thermoformed articles Jan 29, 1992 Issued
Array ( [id] => 2945410 [patent_doc_number] => 05242491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Photo-induced reversible, discontinuous volume changes in gels' [patent_app_type] => 1 [patent_app_number] => 7/827861 [patent_app_country] => US [patent_app_date] => 1992-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3406 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/242/05242491.pdf [firstpage_image] =>[orig_patent_app_number] => 827861 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827861
Photo-induced reversible, discontinuous volume changes in gels Jan 29, 1992 Issued
07/825392 WASTE TREATMENT PROCESS Jan 23, 1992 Abandoned
Array ( [id] => 2968962 [patent_doc_number] => 05252124 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Convertible asphalt and soil remediation plant and methods of operation' [patent_app_type] => 1 [patent_app_number] => 7/822283 [patent_app_country] => US [patent_app_date] => 1992-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3951 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/252/05252124.pdf [firstpage_image] =>[orig_patent_app_number] => 822283 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/822283
Convertible asphalt and soil remediation plant and methods of operation Jan 20, 1992 Issued
Array ( [id] => 2962680 [patent_doc_number] => 05258068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-02 [patent_title] => 'Play material composition' [patent_app_type] => 1 [patent_app_number] => 7/823399 [patent_app_country] => US [patent_app_date] => 1992-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2533 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/258/05258068.pdf [firstpage_image] =>[orig_patent_app_number] => 823399 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/823399
Play material composition Jan 20, 1992 Issued
Array ( [id] => 3627460 [patent_doc_number] => 05686365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-11 [patent_title] => 'Method for dissolution and stabilization of silica-rich fibers' [patent_app_type] => 1 [patent_app_number] => 7/821653 [patent_app_country] => US [patent_app_date] => 1992-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1451 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/686/05686365.pdf [firstpage_image] =>[orig_patent_app_number] => 821653 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/821653
Method for dissolution and stabilization of silica-rich fibers Jan 15, 1992 Issued
Array ( [id] => 2968769 [patent_doc_number] => 05181958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Aqueous emulsions of polyisocyanates and process for preparing them' [patent_app_type] => 1 [patent_app_number] => 7/820790 [patent_app_country] => US [patent_app_date] => 1992-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2235 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/181/05181958.pdf [firstpage_image] =>[orig_patent_app_number] => 820790 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/820790
Aqueous emulsions of polyisocyanates and process for preparing them Jan 14, 1992 Issued
Array ( [id] => 3056309 [patent_doc_number] => 05310419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Method of preparing inorganic polymeric water complexes and products so produced' [patent_app_type] => 1 [patent_app_number] => 7/819137 [patent_app_country] => US [patent_app_date] => 1992-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14424 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/310/05310419.pdf [firstpage_image] =>[orig_patent_app_number] => 819137 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/819137
Method of preparing inorganic polymeric water complexes and products so produced Jan 9, 1992 Issued
Array ( [id] => 2908665 [patent_doc_number] => 05178674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Accelerators for cationic aqueous bituminous emulsion-aggregate slurries' [patent_app_type] => 1 [patent_app_number] => 7/819084 [patent_app_country] => US [patent_app_date] => 1992-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6432 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178674.pdf [firstpage_image] =>[orig_patent_app_number] => 819084 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/819084
Accelerators for cationic aqueous bituminous emulsion-aggregate slurries Jan 8, 1992 Issued
Array ( [id] => 2911579 [patent_doc_number] => 05234494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Softening agents for recycling asphalt pavement' [patent_app_type] => 1 [patent_app_number] => 7/815856 [patent_app_country] => US [patent_app_date] => 1992-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4592 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/234/05234494.pdf [firstpage_image] =>[orig_patent_app_number] => 815856 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/815856
Softening agents for recycling asphalt pavement Jan 1, 1992 Issued
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