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
08/230429 PITCH BASED IMPREGNANT FOR CARBON AND GRAPHITE AND METHOD Apr 18, 1994 Abandoned
Array ( [id] => 3114140 [patent_doc_number] => 05414207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Method for rendering waste substances harmless' [patent_app_type] => 1 [patent_app_number] => 8/229672 [patent_app_country] => US [patent_app_date] => 1994-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 7956 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414207.pdf [firstpage_image] =>[orig_patent_app_number] => 229672 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/229672
Method for rendering waste substances harmless Apr 18, 1994 Issued
Array ( [id] => 3470423 [patent_doc_number] => 05431727 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-11 [patent_title] => 'Bitumen based mixture for coating surfaces' [patent_app_type] => 1 [patent_app_number] => 8/223673 [patent_app_country] => US [patent_app_date] => 1994-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4587 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/431/05431727.pdf [firstpage_image] =>[orig_patent_app_number] => 223673 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/223673
Bitumen based mixture for coating surfaces Apr 15, 1994 Issued
Array ( [id] => 3412738 [patent_doc_number] => 05433777 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Aggregates and materials employing same' [patent_app_type] => 1 [patent_app_number] => 8/227368 [patent_app_country] => US [patent_app_date] => 1994-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 33 [patent_no_of_words] => 21698 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/433/05433777.pdf [firstpage_image] =>[orig_patent_app_number] => 227368 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/227368
Aggregates and materials employing same Apr 12, 1994 Issued
08/222727 METHOD OF PRODUCING CELLULOSE DOPE Apr 3, 1994 Abandoned
Array ( [id] => 3410558 [patent_doc_number] => 05461013 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-24 [patent_title] => 'Process for the preparation of lithium stanates doped with transition metal cations' [patent_app_type] => 1 [patent_app_number] => 8/220364 [patent_app_country] => US [patent_app_date] => 1994-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2023 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/461/05461013.pdf [firstpage_image] =>[orig_patent_app_number] => 220364 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/220364
Process for the preparation of lithium stanates doped with transition metal cations Mar 29, 1994 Issued
Array ( [id] => 3451056 [patent_doc_number] => 05472488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-05 [patent_title] => 'Coating solution for forming glassy layers' [patent_app_type] => 1 [patent_app_number] => 8/210386 [patent_app_country] => US [patent_app_date] => 1994-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5381 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/472/05472488.pdf [firstpage_image] =>[orig_patent_app_number] => 210386 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/210386
Coating solution for forming glassy layers Mar 17, 1994 Issued
Array ( [id] => 3410014 [patent_doc_number] => 05393334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Papermaking compositions, process using same, and paper produced therefrom' [patent_app_type] => 1 [patent_app_number] => 8/213264 [patent_app_country] => US [patent_app_date] => 1994-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7553 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/393/05393334.pdf [firstpage_image] =>[orig_patent_app_number] => 213264 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/213264
Papermaking compositions, process using same, and paper produced therefrom Mar 14, 1994 Issued
08/207423 METHOD OF AGGLOMERATING PRINTING INK AND FORMULATIONS FOR USE THEREIN Mar 7, 1994 Abandoned
08/203641 PHOSPHOR AND RADIATION IMAGE STORAGE PANEL EMPLOYING THE SAME Feb 28, 1994 Abandoned
Array ( [id] => 3412709 [patent_doc_number] => 05433775 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Adhesive stick based on starch ethers' [patent_app_type] => 1 [patent_app_number] => 8/182113 [patent_app_country] => US [patent_app_date] => 1994-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5163 [patent_no_of_claims] => 24 [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/05/433/05433775.pdf [firstpage_image] =>[orig_patent_app_number] => 182113 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/182113
Adhesive stick based on starch ethers Feb 27, 1994 Issued
Array ( [id] => 3439195 [patent_doc_number] => 05397383 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-14 [patent_title] => 'Organic vehicle for electronic composition' [patent_app_type] => 1 [patent_app_number] => 8/201944 [patent_app_country] => US [patent_app_date] => 1994-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10004 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/397/05397383.pdf [firstpage_image] =>[orig_patent_app_number] => 201944 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/201944
Organic vehicle for electronic composition Feb 24, 1994 Issued
Array ( [id] => 3406584 [patent_doc_number] => 05443632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Cationic aqueous bituminous emulsion-aggregate slurries' [patent_app_type] => 1 [patent_app_number] => 8/200386 [patent_app_country] => US [patent_app_date] => 1994-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5071 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/443/05443632.pdf [firstpage_image] =>[orig_patent_app_number] => 200386 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/200386
Cationic aqueous bituminous emulsion-aggregate slurries Feb 22, 1994 Issued
Array ( [id] => 3555505 [patent_doc_number] => 05525150 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'Mold release agent' [patent_app_type] => 1 [patent_app_number] => 8/170210 [patent_app_country] => US [patent_app_date] => 1994-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1886 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/525/05525150.pdf [firstpage_image] =>[orig_patent_app_number] => 170210 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/170210
Mold release agent Feb 21, 1994 Issued
Array ( [id] => 3415312 [patent_doc_number] => 05389135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Chemistry to prevent the build up of hard ash deposits on equipment' [patent_app_type] => 1 [patent_app_number] => 8/197522 [patent_app_country] => US [patent_app_date] => 1994-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1388 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/389/05389135.pdf [firstpage_image] =>[orig_patent_app_number] => 197522 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/197522
Chemistry to prevent the build up of hard ash deposits on equipment Feb 15, 1994 Issued
Array ( [id] => 3461263 [patent_doc_number] => 05468690 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-21 [patent_title] => 'Combustible slurry for joining metallic or ceramic surfaces or for coating metallic, ceramic and refractory surfaces' [patent_app_type] => 1 [patent_app_number] => 8/196905 [patent_app_country] => US [patent_app_date] => 1994-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3298 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/468/05468690.pdf [firstpage_image] =>[orig_patent_app_number] => 196905 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/196905
Combustible slurry for joining metallic or ceramic surfaces or for coating metallic, ceramic and refractory surfaces Feb 14, 1994 Issued
Array ( [id] => 3428523 [patent_doc_number] => 05455208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-03 [patent_title] => 'Carbon-containing black glass monoliths' [patent_app_type] => 1 [patent_app_number] => 8/196054 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7790 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/455/05455208.pdf [firstpage_image] =>[orig_patent_app_number] => 196054 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/196054
Carbon-containing black glass monoliths Feb 13, 1994 Issued
Array ( [id] => 3408332 [patent_doc_number] => 05443746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Ferroelectric aerogel composites for voltage-variable dielectric tuning, and method for making the same' [patent_app_type] => 1 [patent_app_number] => 8/195111 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4568 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/443/05443746.pdf [firstpage_image] =>[orig_patent_app_number] => 195111 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/195111
Ferroelectric aerogel composites for voltage-variable dielectric tuning, and method for making the same Feb 13, 1994 Issued
Array ( [id] => 3098268 [patent_doc_number] => 05417753 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Papermaking compositions, process using same, and paper produced therefrom' [patent_app_type] => 1 [patent_app_number] => 8/193553 [patent_app_country] => US [patent_app_date] => 1994-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7275 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/417/05417753.pdf [firstpage_image] =>[orig_patent_app_number] => 193553 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/193553
Papermaking compositions, process using same, and paper produced therefrom Feb 7, 1994 Issued
Array ( [id] => 3443481 [patent_doc_number] => 05420015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Coatable masking composition and method' [patent_app_type] => 1 [patent_app_number] => 8/192011 [patent_app_country] => US [patent_app_date] => 1994-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9538 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/420/05420015.pdf [firstpage_image] =>[orig_patent_app_number] => 192011 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/192011
Coatable masking composition and method Feb 3, 1994 Issued
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