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] => 2911561 [patent_doc_number] => 05234493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Stable, pumpable aqueous suspensions of precipitated silica particulates' [patent_app_type] => 1 [patent_app_number] => 7/873891 [patent_app_country] => US [patent_app_date] => 1992-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2525 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/234/05234493.pdf [firstpage_image] =>[orig_patent_app_number] => 873891 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/873891
Stable, pumpable aqueous suspensions of precipitated silica particulates Apr 23, 1992 Issued
Array ( [id] => 2966391 [patent_doc_number] => 05224988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Process for improving the dispersibility and filterability of scleroglucan powders' [patent_app_type] => 1 [patent_app_number] => 7/870296 [patent_app_country] => US [patent_app_date] => 1992-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3710 [patent_no_of_claims] => 15 [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/05/224/05224988.pdf [firstpage_image] =>[orig_patent_app_number] => 870296 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/870296
Process for improving the dispersibility and filterability of scleroglucan powders Apr 16, 1992 Issued
Array ( [id] => 3079277 [patent_doc_number] => 05284509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'Method for producing superior quality paving asphalt and product prepared therefrom' [patent_app_type] => 1 [patent_app_number] => 7/870164 [patent_app_country] => US [patent_app_date] => 1992-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9309 [patent_no_of_claims] => 26 [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/05/284/05284509.pdf [firstpage_image] =>[orig_patent_app_number] => 870164 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/870164
Method for producing superior quality paving asphalt and product prepared therefrom Apr 14, 1992 Issued
Array ( [id] => 3038156 [patent_doc_number] => 05286393 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Coating and bonding composition' [patent_app_type] => 1 [patent_app_number] => 7/870132 [patent_app_country] => US [patent_app_date] => 1992-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2822 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/286/05286393.pdf [firstpage_image] =>[orig_patent_app_number] => 870132 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/870132
Coating and bonding composition Apr 14, 1992 Issued
Array ( [id] => 3114119 [patent_doc_number] => 05414206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Method and process for rendering waste substances harmless' [patent_app_type] => 1 [patent_app_number] => 7/866472 [patent_app_country] => US [patent_app_date] => 1992-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4351 [patent_no_of_claims] => 15 [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/05/414/05414206.pdf [firstpage_image] =>[orig_patent_app_number] => 866472 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/866472
Method and process for rendering waste substances harmless Apr 9, 1992 Issued
Array ( [id] => 2972420 [patent_doc_number] => 05252305 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Process of recovering platinum group metal' [patent_app_type] => 1 [patent_app_number] => 7/865949 [patent_app_country] => US [patent_app_date] => 1992-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3315 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/252/05252305.pdf [firstpage_image] =>[orig_patent_app_number] => 865949 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/865949
Process of recovering platinum group metal Apr 8, 1992 Issued
Array ( [id] => 3066654 [patent_doc_number] => 05296025 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Process and device for preparing an asphalt mix' [patent_app_type] => 1 [patent_app_number] => 7/864354 [patent_app_country] => US [patent_app_date] => 1992-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3201 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/296/05296025.pdf [firstpage_image] =>[orig_patent_app_number] => 864354 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/864354
Process and device for preparing an asphalt mix Apr 5, 1992 Issued
Array ( [id] => 2883440 [patent_doc_number] => 05238661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Process for the preparation of low-chloride aqueous titanyl nitrate solutions' [patent_app_type] => 1 [patent_app_number] => 7/862476 [patent_app_country] => US [patent_app_date] => 1992-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2712 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/238/05238661.pdf [firstpage_image] =>[orig_patent_app_number] => 862476 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862476
Process for the preparation of low-chloride aqueous titanyl nitrate solutions Apr 1, 1992 Issued
Array ( [id] => 4216397 [patent_doc_number] => 06010566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Preparation of bituminous concrete comprising wire pieces' [patent_app_type] => 1 [patent_app_number] => 7/860523 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1672 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/010/06010566.pdf [firstpage_image] =>[orig_patent_app_number] => 860523 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/860523
Preparation of bituminous concrete comprising wire pieces Mar 31, 1992 Issued
Array ( [id] => 4216397 [patent_doc_number] => 06010566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Preparation of bituminous concrete comprising wire pieces' [patent_app_type] => 1 [patent_app_number] => 7/860523 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1672 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/010/06010566.pdf [firstpage_image] =>[orig_patent_app_number] => 860523 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/860523
Preparation of bituminous concrete comprising wire pieces Mar 31, 1992 Issued
Array ( [id] => 4216397 [patent_doc_number] => 06010566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Preparation of bituminous concrete comprising wire pieces' [patent_app_type] => 1 [patent_app_number] => 7/860523 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1672 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/010/06010566.pdf [firstpage_image] =>[orig_patent_app_number] => 860523 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/860523
Preparation of bituminous concrete comprising wire pieces Mar 31, 1992 Issued
Array ( [id] => 4216397 [patent_doc_number] => 06010566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Preparation of bituminous concrete comprising wire pieces' [patent_app_type] => 1 [patent_app_number] => 7/860523 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1672 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/010/06010566.pdf [firstpage_image] =>[orig_patent_app_number] => 860523 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/860523
Preparation of bituminous concrete comprising wire pieces Mar 31, 1992 Issued
07/858502 PITCH BASED IMPREGNANT FOR CARBON AND GRAPHITE AND METHOD Mar 26, 1992 Abandoned
07/857213 BAYER LIQUOR POLISHING Mar 24, 1992 Abandoned
Array ( [id] => 2971782 [patent_doc_number] => 05203915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Passivating coating for metal oxide varistors' [patent_app_type] => 1 [patent_app_number] => 7/855678 [patent_app_country] => US [patent_app_date] => 1992-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2000 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/203/05203915.pdf [firstpage_image] =>[orig_patent_app_number] => 855678 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/855678
Passivating coating for metal oxide varistors Mar 22, 1992 Issued
Array ( [id] => 2833404 [patent_doc_number] => 05160368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Biodegradable packages for fast food and method of preparing the same' [patent_app_type] => 1 [patent_app_number] => 7/851121 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1607 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/160/05160368.pdf [firstpage_image] =>[orig_patent_app_number] => 851121 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851121
Biodegradable packages for fast food and method of preparing the same Mar 15, 1992 Issued
Array ( [id] => 2982160 [patent_doc_number] => 05266353 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Method for protecting feed' [patent_app_type] => 1 [patent_app_number] => 7/850552 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1670 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/266/05266353.pdf [firstpage_image] =>[orig_patent_app_number] => 850552 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850552
Method for protecting feed Mar 12, 1992 Issued
Array ( [id] => 2798937 [patent_doc_number] => 05156674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Drier promoter compositions' [patent_app_type] => 1 [patent_app_number] => 7/850852 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2532 [patent_no_of_claims] => 13 [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/05/156/05156674.pdf [firstpage_image] =>[orig_patent_app_number] => 850852 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850852
Drier promoter compositions Mar 12, 1992 Issued
Array ( [id] => 2889954 [patent_doc_number] => 05271912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'Enzymatic processing of materials containing chromium and protein' [patent_app_type] => 1 [patent_app_number] => 7/848775 [patent_app_country] => US [patent_app_date] => 1992-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2992 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271912.pdf [firstpage_image] =>[orig_patent_app_number] => 848775 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848775
Enzymatic processing of materials containing chromium and protein Mar 9, 1992 Issued
Array ( [id] => 3058824 [patent_doc_number] => 05294250 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Self-fluxing binder composition for use in the pelletization of ore concentrates' [patent_app_type] => 1 [patent_app_number] => 7/844281 [patent_app_country] => US [patent_app_date] => 1992-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5713 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/294/05294250.pdf [firstpage_image] =>[orig_patent_app_number] => 844281 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844281
Self-fluxing binder composition for use in the pelletization of ore concentrates Mar 1, 1992 Issued
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