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] => 3815890 [patent_doc_number] => 05770534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Ceramic composition for absorbing electromagnetic waves and method for manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/881764 [patent_app_country] => US [patent_app_date] => 1997-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4110 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/770/05770534.pdf [firstpage_image] =>[orig_patent_app_number] => 881764 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/881764
Ceramic composition for absorbing electromagnetic waves and method for manufacturing the same Jun 23, 1997 Issued
Array ( [id] => 3751309 [patent_doc_number] => 05851301 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Methods for separation of wheat flour into protein and starch fractions' [patent_app_type] => 1 [patent_app_number] => 8/879560 [patent_app_country] => US [patent_app_date] => 1997-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5196 [patent_no_of_claims] => 16 [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/05/851/05851301.pdf [firstpage_image] =>[orig_patent_app_number] => 879560 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/879560
Methods for separation of wheat flour into protein and starch fractions Jun 19, 1997 Issued
Array ( [id] => 3986675 [patent_doc_number] => 05919297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Cobalt- and nickel-free sealant compositions' [patent_app_type] => 1 [patent_app_number] => 8/878893 [patent_app_country] => US [patent_app_date] => 1997-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5643 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/919/05919297.pdf [firstpage_image] =>[orig_patent_app_number] => 878893 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/878893
Cobalt- and nickel-free sealant compositions Jun 18, 1997 Issued
Array ( [id] => 3760369 [patent_doc_number] => 05849071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-15 [patent_title] => 'Liquid source formation of thin films using hexamethyl-disilazane' [patent_app_type] => 1 [patent_app_number] => 8/876304 [patent_app_country] => US [patent_app_date] => 1997-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 9000 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/849/05849071.pdf [firstpage_image] =>[orig_patent_app_number] => 876304 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/876304
Liquid source formation of thin films using hexamethyl-disilazane Jun 15, 1997 Issued
Array ( [id] => 3838988 [patent_doc_number] => 05766333 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Method for recycling and rejuvenating asphalt pavement' [patent_app_type] => 1 [patent_app_number] => 8/876860 [patent_app_country] => US [patent_app_date] => 1997-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 11034 [patent_no_of_claims] => 12 [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/05/766/05766333.pdf [firstpage_image] =>[orig_patent_app_number] => 876860 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/876860
Method for recycling and rejuvenating asphalt pavement Jun 15, 1997 Issued
Array ( [id] => 3983170 [patent_doc_number] => 05891254 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Method for purifying sugar solutions using polyacrylamides' [patent_app_type] => 1 [patent_app_number] => 8/874427 [patent_app_country] => US [patent_app_date] => 1997-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10595 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/891/05891254.pdf [firstpage_image] =>[orig_patent_app_number] => 874427 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/874427
Method for purifying sugar solutions using polyacrylamides Jun 12, 1997 Issued
Array ( [id] => 3806808 [patent_doc_number] => 05854158 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'ZrO.sub.2 based ceramic material and method of producing the same' [patent_app_type] => 1 [patent_app_number] => 8/873244 [patent_app_country] => US [patent_app_date] => 1997-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 14872 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/854/05854158.pdf [firstpage_image] =>[orig_patent_app_number] => 873244 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/873244
ZrO.sub.2 based ceramic material and method of producing the same Jun 10, 1997 Issued
Array ( [id] => 3731241 [patent_doc_number] => 05753020 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Image transfer medium' [patent_app_type] => 1 [patent_app_number] => 8/871225 [patent_app_country] => US [patent_app_date] => 1997-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1423 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/753/05753020.pdf [firstpage_image] =>[orig_patent_app_number] => 871225 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/871225
Image transfer medium Jun 8, 1997 Issued
Array ( [id] => 3750982 [patent_doc_number] => 05851278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Method of nonhazardous removal of paint containing heavy metals and coating preparation for performing the same' [patent_app_type] => 1 [patent_app_number] => 8/871044 [patent_app_country] => US [patent_app_date] => 1997-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2154 [patent_no_of_claims] => 2 [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/05/851/05851278.pdf [firstpage_image] =>[orig_patent_app_number] => 871044 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/871044
Method of nonhazardous removal of paint containing heavy metals and coating preparation for performing the same Jun 8, 1997 Issued
Array ( [id] => 3778372 [patent_doc_number] => 05840108 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Method and apparatus for continuous preparation of corrugating adhesive' [patent_app_type] => 1 [patent_app_number] => 8/869689 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6695 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/840/05840108.pdf [firstpage_image] =>[orig_patent_app_number] => 869689 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/869689
Method and apparatus for continuous preparation of corrugating adhesive Jun 4, 1997 Issued
Array ( [id] => 4054018 [patent_doc_number] => 05865882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Voc-free protective coating' [patent_app_type] => 1 [patent_app_number] => 8/866685 [patent_app_country] => US [patent_app_date] => 1997-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1650 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/865/05865882.pdf [firstpage_image] =>[orig_patent_app_number] => 866685 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/866685
Voc-free protective coating May 29, 1997 Issued
Array ( [id] => 3774732 [patent_doc_number] => 05820665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Fluoroalkylcarboxylic acid and derivative thereof' [patent_app_type] => 1 [patent_app_number] => 8/864427 [patent_app_country] => US [patent_app_date] => 1997-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7188 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/820/05820665.pdf [firstpage_image] =>[orig_patent_app_number] => 864427 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/864427
Fluoroalkylcarboxylic acid and derivative thereof May 27, 1997 Issued
Array ( [id] => 3816650 [patent_doc_number] => 05759251 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Titanium dioxide ceramic paint and methods of producing same' [patent_app_type] => 1 [patent_app_number] => 8/863629 [patent_app_country] => US [patent_app_date] => 1997-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11516 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/759/05759251.pdf [firstpage_image] =>[orig_patent_app_number] => 863629 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/863629
Titanium dioxide ceramic paint and methods of producing same May 26, 1997 Issued
08/861613 METHOD FOR FRACTIONATING A SOLUTION May 21, 1997 Abandoned
Array ( [id] => 3932032 [patent_doc_number] => 05989331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'TiO.sub.2 slurry stabilization' [patent_app_type] => 1 [patent_app_number] => 8/861589 [patent_app_country] => US [patent_app_date] => 1997-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2561 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/989/05989331.pdf [firstpage_image] =>[orig_patent_app_number] => 861589 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861589
TiO.sub.2 slurry stabilization May 21, 1997 Issued
Array ( [id] => 3924907 [patent_doc_number] => 05972094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Sizing composition' [patent_app_type] => 1 [patent_app_number] => 8/861925 [patent_app_country] => US [patent_app_date] => 1997-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10720 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/972/05972094.pdf [firstpage_image] =>[orig_patent_app_number] => 861925 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861925
Sizing composition May 21, 1997 Issued
Array ( [id] => 3832177 [patent_doc_number] => 05743947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Film coatings and film coating compositions based on cellulosic polymers and lacttose' [patent_app_type] => 1 [patent_app_number] => 8/858787 [patent_app_country] => US [patent_app_date] => 1997-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2559 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743947.pdf [firstpage_image] =>[orig_patent_app_number] => 858787 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/858787
Film coatings and film coating compositions based on cellulosic polymers and lacttose May 18, 1997 Issued
Array ( [id] => 4135117 [patent_doc_number] => 06030445 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Multi-component mixtures for manufacturing of in situ doped borophosphosilicate' [patent_app_type] => 1 [patent_app_number] => 8/856660 [patent_app_country] => US [patent_app_date] => 1997-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2609 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/030/06030445.pdf [firstpage_image] =>[orig_patent_app_number] => 856660 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856660
Multi-component mixtures for manufacturing of in situ doped borophosphosilicate May 14, 1997 Issued
Array ( [id] => 3997914 [patent_doc_number] => 05888289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Bitumen compositions and a process for their preparation' [patent_app_type] => 1 [patent_app_number] => 8/856229 [patent_app_country] => US [patent_app_date] => 1997-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2198 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/888/05888289.pdf [firstpage_image] =>[orig_patent_app_number] => 856229 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856229
Bitumen compositions and a process for their preparation May 13, 1997 Issued
Array ( [id] => 3889057 [patent_doc_number] => 05893947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Process for purifying sugar solutions' [patent_app_type] => 1 [patent_app_number] => 8/854275 [patent_app_country] => US [patent_app_date] => 1997-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2799 [patent_no_of_claims] => 14 [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/05/893/05893947.pdf [firstpage_image] =>[orig_patent_app_number] => 854275 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/854275
Process for purifying sugar solutions May 8, 1997 Issued
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