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] => 3925018 [patent_doc_number] => 05938832 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Crumb rubber modified asphalt with enhanced settling characteristics' [patent_app_type] => 1 [patent_app_number] => 9/216732 [patent_app_country] => US [patent_app_date] => 1998-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1544 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/938/05938832.pdf [firstpage_image] =>[orig_patent_app_number] => 216732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/216732
Crumb rubber modified asphalt with enhanced settling characteristics Feb 20, 1998 Issued
Array ( [id] => 3998398 [patent_doc_number] => 05961709 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Environmentally improved asphalt compositions and their preparation' [patent_app_type] => 1 [patent_app_number] => 9/025873 [patent_app_country] => US [patent_app_date] => 1998-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3928 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/961/05961709.pdf [firstpage_image] =>[orig_patent_app_number] => 025873 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/025873
Environmentally improved asphalt compositions and their preparation Feb 18, 1998 Issued
Array ( [id] => 4016044 [patent_doc_number] => 05925183 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Method for producing layer-structured perovskite thin film of bismuth-based compounds having ferroelectric properties' [patent_app_type] => 1 [patent_app_number] => 9/022005 [patent_app_country] => US [patent_app_date] => 1998-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6518 [patent_no_of_claims] => 3 [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/05/925/05925183.pdf [firstpage_image] =>[orig_patent_app_number] => 022005 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/022005
Method for producing layer-structured perovskite thin film of bismuth-based compounds having ferroelectric properties Feb 10, 1998 Issued
Array ( [id] => 4292683 [patent_doc_number] => 06184002 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Method for liquefying starch' [patent_app_type] => 1 [patent_app_number] => 8/952225 [patent_app_country] => US [patent_app_date] => 1998-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4904 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184002.pdf [firstpage_image] =>[orig_patent_app_number] => 952225 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952225
Method for liquefying starch Jan 26, 1998 Issued
Array ( [id] => 4043695 [patent_doc_number] => 05932018 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Treatments to improve yields in the wet milling of corn' [patent_app_type] => 1 [patent_app_number] => 9/013312 [patent_app_country] => US [patent_app_date] => 1998-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1362 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/932/05932018.pdf [firstpage_image] =>[orig_patent_app_number] => 013312 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/013312
Treatments to improve yields in the wet milling of corn Jan 25, 1998 Issued
Array ( [id] => 4206499 [patent_doc_number] => 06110269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Coating liquid for forming hydrophilic film and method for producing same' [patent_app_type] => 1 [patent_app_number] => 9/012728 [patent_app_country] => US [patent_app_date] => 1998-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7717 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/110/06110269.pdf [firstpage_image] =>[orig_patent_app_number] => 012728 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/012728
Coating liquid for forming hydrophilic film and method for producing same Jan 22, 1998 Issued
Array ( [id] => 4392769 [patent_doc_number] => 06296981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-02 [patent_title] => 'Use of fluorocarbons as a fusing agent for toners in laser printers' [patent_app_type] => 1 [patent_app_number] => 9/010630 [patent_app_country] => US [patent_app_date] => 1998-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2785 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/296/06296981.pdf [firstpage_image] =>[orig_patent_app_number] => 010630 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/010630
Use of fluorocarbons as a fusing agent for toners in laser printers Jan 21, 1998 Issued
Array ( [id] => 3924867 [patent_doc_number] => 05972091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Starch replacement composition for corrugating adhesives and the adhesives prepared therewith' [patent_app_type] => 1 [patent_app_number] => 9/010463 [patent_app_country] => US [patent_app_date] => 1998-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4285 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/972/05972091.pdf [firstpage_image] =>[orig_patent_app_number] => 010463 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/010463
Starch replacement composition for corrugating adhesives and the adhesives prepared therewith Jan 20, 1998 Issued
Array ( [id] => 4285330 [patent_doc_number] => 06197102 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric thin films, ferroelectric capacitors and ferroelectric memories formed with said coating solutions, as well as processes for production thereof' [patent_app_type] => 1 [patent_app_number] => 9/008245 [patent_app_country] => US [patent_app_date] => 1998-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 12119 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/197/06197102.pdf [firstpage_image] =>[orig_patent_app_number] => 008245 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/008245
Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric thin films, ferroelectric capacitors and ferroelectric memories formed with said coating solutions, as well as processes for production thereof Jan 14, 1998 Issued
Array ( [id] => 3924948 [patent_doc_number] => 05972096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Coating solutions for use in forming bismuth-based ferroelectric thin films' [patent_app_type] => 1 [patent_app_number] => 9/007752 [patent_app_country] => US [patent_app_date] => 1998-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 10580 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/972/05972096.pdf [firstpage_image] =>[orig_patent_app_number] => 007752 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/007752
Coating solutions for use in forming bismuth-based ferroelectric thin films Jan 14, 1998 Issued
09/006631 METHOD OF PRODUCING GLUCOSE FROM PAPERMAKING SLUDGE USING CONCENTRATED OR DILUTE ACID HYDROLYSIS Jan 12, 1998 Issued
Array ( [id] => 3986688 [patent_doc_number] => 05919298 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Method for preparing hydrophobic fumed silica' [patent_app_type] => 1 [patent_app_number] => 9/005852 [patent_app_country] => US [patent_app_date] => 1998-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5369 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/919/05919298.pdf [firstpage_image] =>[orig_patent_app_number] => 005852 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/005852
Method for preparing hydrophobic fumed silica Jan 11, 1998 Issued
Array ( [id] => 4145603 [patent_doc_number] => 06103000 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Polyphenolic surfactant compositions as universal bitumen/water emulsifiers' [patent_app_type] => 1 [patent_app_number] => 9/001258 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6307 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/103/06103000.pdf [firstpage_image] =>[orig_patent_app_number] => 001258 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001258
Polyphenolic surfactant compositions as universal bitumen/water emulsifiers Dec 30, 1997 Issued
Array ( [id] => 3768403 [patent_doc_number] => 05817180 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Dry thinned starches process for producing dry thinned starches and products and compositions thereof' [patent_app_type] => 1 [patent_app_number] => 8/997073 [patent_app_country] => US [patent_app_date] => 1997-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3665 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/817/05817180.pdf [firstpage_image] =>[orig_patent_app_number] => 997073 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/997073
Dry thinned starches process for producing dry thinned starches and products and compositions thereof Dec 22, 1997 Issued
Array ( [id] => 4092126 [patent_doc_number] => 06048392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'Alkaline paper surface sizing agents' [patent_app_type] => 1 [patent_app_number] => 8/996855 [patent_app_country] => US [patent_app_date] => 1997-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12489 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/048/06048392.pdf [firstpage_image] =>[orig_patent_app_number] => 996855 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/996855
Alkaline paper surface sizing agents Dec 22, 1997 Issued
Array ( [id] => 4040689 [patent_doc_number] => 05908497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-01 [patent_title] => 'Water soluble titanium complexes and use as fiber glass sizing' [patent_app_type] => 1 [patent_app_number] => 8/994120 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2731 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/908/05908497.pdf [firstpage_image] =>[orig_patent_app_number] => 994120 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994120
Water soluble titanium complexes and use as fiber glass sizing Dec 18, 1997 Issued
Array ( [id] => 4064790 [patent_doc_number] => 05964934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Acoustical tile containing treated perlite' [patent_app_type] => 1 [patent_app_number] => 8/993363 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6136 [patent_no_of_claims] => 20 [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/05/964/05964934.pdf [firstpage_image] =>[orig_patent_app_number] => 993363 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/993363
Acoustical tile containing treated perlite Dec 17, 1997 Issued
Array ( [id] => 4030176 [patent_doc_number] => 05994234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Method for dry-etching a polycide film' [patent_app_type] => 1 [patent_app_number] => 8/989632 [patent_app_country] => US [patent_app_date] => 1997-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4266 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/994/05994234.pdf [firstpage_image] =>[orig_patent_app_number] => 989632 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/989632
Method for dry-etching a polycide film Dec 11, 1997 Issued
Array ( [id] => 4038213 [patent_doc_number] => 05868827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Chemically bonding material and method for manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/988645 [patent_app_country] => US [patent_app_date] => 1997-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6681 [patent_no_of_claims] => 24 [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/05/868/05868827.pdf [firstpage_image] =>[orig_patent_app_number] => 988645 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/988645
Chemically bonding material and method for manufacturing the same Dec 10, 1997 Issued
Array ( [id] => 4351818 [patent_doc_number] => 06200682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Apparatus and method for continuous formation of composites having filler and thermoactive materials and products made by the method' [patent_app_type] => 1 [patent_app_number] => 8/988680 [patent_app_country] => US [patent_app_date] => 1997-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 8536 [patent_no_of_claims] => 21 [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/06/200/06200682.pdf [firstpage_image] =>[orig_patent_app_number] => 988680 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/988680
Apparatus and method for continuous formation of composites having filler and thermoactive materials and products made by the method Dec 10, 1997 Issued
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