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] => 4369932 [patent_doc_number] => 06288002 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-11 [patent_title] => 'Ceramics with excellent electrostrictive property' [patent_app_type] => 1 [patent_app_number] => 9/506585 [patent_app_country] => US [patent_app_date] => 2000-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2829 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/288/06288002.pdf [firstpage_image] =>[orig_patent_app_number] => 506585 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/506585
Ceramics with excellent electrostrictive property Feb 17, 2000 Issued
Array ( [id] => 4263899 [patent_doc_number] => 06322632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Method for producing oxidized starch' [patent_app_type] => 1 [patent_app_number] => 9/506746 [patent_app_country] => US [patent_app_date] => 2000-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2581 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/322/06322632.pdf [firstpage_image] =>[orig_patent_app_number] => 506746 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/506746
Method for producing oxidized starch Feb 17, 2000 Issued
Array ( [id] => 1579329 [patent_doc_number] => 06423129 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Coatings and additives containing ceramic material' [patent_app_type] => B1 [patent_app_number] => 09/503829 [patent_app_country] => US [patent_app_date] => 2000-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1992 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/423/06423129.pdf [firstpage_image] =>[orig_patent_app_number] => 09503829 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/503829
Coatings and additives containing ceramic material Feb 14, 2000 Issued
Array ( [id] => 4410442 [patent_doc_number] => 06310105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-30 [patent_title] => 'Carboxyl-modified superabsorbent protein hydrogel' [patent_app_type] => 1 [patent_app_number] => 9/504571 [patent_app_country] => US [patent_app_date] => 2000-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7505 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/310/06310105.pdf [firstpage_image] =>[orig_patent_app_number] => 504571 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/504571
Carboxyl-modified superabsorbent protein hydrogel Feb 14, 2000 Issued
Array ( [id] => 1472529 [patent_doc_number] => 06387169 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Guar gum based flowing gel play composition' [patent_app_type] => B1 [patent_app_number] => 09/502508 [patent_app_country] => US [patent_app_date] => 2000-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3971 [patent_no_of_claims] => 17 [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/06/387/06387169.pdf [firstpage_image] =>[orig_patent_app_number] => 09502508 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/502508
Guar gum based flowing gel play composition Feb 10, 2000 Issued
Array ( [id] => 4244599 [patent_doc_number] => 06136571 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Method of producing saccharide preparations' [patent_app_type] => 1 [patent_app_number] => 9/499531 [patent_app_country] => US [patent_app_date] => 2000-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8598 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/136/06136571.pdf [firstpage_image] =>[orig_patent_app_number] => 499531 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/499531
Method of producing saccharide preparations Feb 9, 2000 Issued
Array ( [id] => 1476609 [patent_doc_number] => 06344077 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-05 [patent_title] => 'Aqueous cellulose solution and rayon fiber produced from the same' [patent_app_type] => B1 [patent_app_number] => 09/423810 [patent_app_country] => US [patent_app_date] => 2000-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4952 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/344/06344077.pdf [firstpage_image] =>[orig_patent_app_number] => 09423810 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/423810
Aqueous cellulose solution and rayon fiber produced from the same Feb 1, 2000 Issued
Array ( [id] => 4369923 [patent_doc_number] => 06302950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Aqueous shellac solution or dispersion' [patent_app_type] => 1 [patent_app_number] => 9/463875 [patent_app_country] => US [patent_app_date] => 2000-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1080 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/302/06302950.pdf [firstpage_image] =>[orig_patent_app_number] => 463875 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/463875
Aqueous shellac solution or dispersion Jan 30, 2000 Issued
Array ( [id] => 1451751 [patent_doc_number] => 06461422 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-08 [patent_title] => 'Pressure sensitive ink jet media for digital printing' [patent_app_type] => B1 [patent_app_number] => 09/492998 [patent_app_country] => US [patent_app_date] => 2000-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5691 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/461/06461422.pdf [firstpage_image] =>[orig_patent_app_number] => 09492998 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/492998
Pressure sensitive ink jet media for digital printing Jan 26, 2000 Issued
Array ( [id] => 4259138 [patent_doc_number] => 06306218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Starch-emulsifier composition and methods of making' [patent_app_type] => 1 [patent_app_number] => 9/488128 [patent_app_country] => US [patent_app_date] => 2000-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7699 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/306/06306218.pdf [firstpage_image] =>[orig_patent_app_number] => 488128 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/488128
Starch-emulsifier composition and methods of making Jan 19, 2000 Issued
Array ( [id] => 4266881 [patent_doc_number] => 06280517 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method' [patent_app_type] => 1 [patent_app_number] => 9/487798 [patent_app_country] => US [patent_app_date] => 2000-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 9301 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/280/06280517.pdf [firstpage_image] =>[orig_patent_app_number] => 487798 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/487798
Method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method Jan 19, 2000 Issued
Array ( [id] => 1476149 [patent_doc_number] => 06451123 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'Process for the separation of sugars' [patent_app_type] => B1 [patent_app_number] => 09/481732 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5411 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/451/06451123.pdf [firstpage_image] =>[orig_patent_app_number] => 09481732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/481732
Process for the separation of sugars Jan 10, 2000 Issued
Array ( [id] => 1348395 [patent_doc_number] => 06576050 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method for preparing a bitumen emulsion, corresponding bitumen emulsion and use thereof' [patent_app_type] => B1 [patent_app_number] => 09/462358 [patent_app_country] => US [patent_app_date] => 2000-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4225 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/576/06576050.pdf [firstpage_image] =>[orig_patent_app_number] => 09462358 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462358
Method for preparing a bitumen emulsion, corresponding bitumen emulsion and use thereof Jan 6, 2000 Issued
Array ( [id] => 1563211 [patent_doc_number] => 06375731 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Conditioning of through holes and glass' [patent_app_type] => B1 [patent_app_number] => 09/478587 [patent_app_country] => US [patent_app_date] => 2000-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5004 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/375/06375731.pdf [firstpage_image] =>[orig_patent_app_number] => 09478587 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478587
Conditioning of through holes and glass Jan 5, 2000 Issued
Array ( [id] => 4401427 [patent_doc_number] => 06228159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Multi-component mixtures for manufacture of semi-conductors' [patent_app_type] => 1 [patent_app_number] => 9/476080 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2622 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/228/06228159.pdf [firstpage_image] =>[orig_patent_app_number] => 476080 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/476080
Multi-component mixtures for manufacture of semi-conductors Dec 29, 1999 Issued
09/446828 PROCESS FOR THE PREPARATION OF LEAD ZIRCONATE TITANATE COMPOUNDS Dec 28, 1999 Abandoned
Array ( [id] => 1522986 [patent_doc_number] => 06352581 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-05 [patent_title] => 'Coating agent for reducing the soiling process of facades' [patent_app_type] => B1 [patent_app_number] => 09/446742 [patent_app_country] => US [patent_app_date] => 1999-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2207 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/352/06352581.pdf [firstpage_image] =>[orig_patent_app_number] => 09446742 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/446742
Coating agent for reducing the soiling process of facades Dec 26, 1999 Issued
Array ( [id] => 1559718 [patent_doc_number] => 06361591 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Sealer from asphalt and pitch' [patent_app_type] => B1 [patent_app_number] => 09/467865 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4916 [patent_no_of_claims] => 9 [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/06/361/06361591.pdf [firstpage_image] =>[orig_patent_app_number] => 09467865 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/467865
Sealer from asphalt and pitch Dec 19, 1999 Issued
Array ( [id] => 4181056 [patent_doc_number] => 06153004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Safe sulfur slurry' [patent_app_type] => 1 [patent_app_number] => 9/465389 [patent_app_country] => US [patent_app_date] => 1999-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5878 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/153/06153004.pdf [firstpage_image] =>[orig_patent_app_number] => 465389 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/465389
Safe sulfur slurry Dec 16, 1999 Issued
Array ( [id] => 4304571 [patent_doc_number] => 06236559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Capacitor' [patent_app_type] => 1 [patent_app_number] => 9/461732 [patent_app_country] => US [patent_app_date] => 1999-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6999 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/236/06236559.pdf [firstpage_image] =>[orig_patent_app_number] => 461732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/461732
Capacitor Dec 15, 1999 Issued
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