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] => 2880774 [patent_doc_number] => 05268159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-07 [patent_title] => 'Process for the production of storable, free-flowing hydrated ferrous sulfate' [patent_app_type] => 1 [patent_app_number] => 7/905175 [patent_app_country] => US [patent_app_date] => 1992-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 989 [patent_no_of_claims] => 8 [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/05/268/05268159.pdf [firstpage_image] =>[orig_patent_app_number] => 905175 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/905175
Process for the production of storable, free-flowing hydrated ferrous sulfate Jun 23, 1992 Issued
Array ( [id] => 3092417 [patent_doc_number] => 05314533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Aqueous emulsions containing organosilicon compounds for the impregnation of inorganic materials' [patent_app_type] => 1 [patent_app_number] => 7/902882 [patent_app_country] => US [patent_app_date] => 1992-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4945 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/314/05314533.pdf [firstpage_image] =>[orig_patent_app_number] => 902882 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/902882
Aqueous emulsions containing organosilicon compounds for the impregnation of inorganic materials Jun 22, 1992 Issued
Array ( [id] => 3043907 [patent_doc_number] => 05282887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Conductive coating composition comprising pigment grade carbon' [patent_app_type] => 1 [patent_app_number] => 7/901787 [patent_app_country] => US [patent_app_date] => 1992-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3669 [patent_no_of_claims] => 12 [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/05/282/05282887.pdf [firstpage_image] =>[orig_patent_app_number] => 901787 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/901787
Conductive coating composition comprising pigment grade carbon Jun 21, 1992 Issued
Array ( [id] => 3011638 [patent_doc_number] => 05288335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Paint stripper and varnish remover compositions, methods for making these compositions and methods for removing paint and other polymeric coatings from flexible and inflexible surfaces' [patent_app_type] => 1 [patent_app_number] => 7/901915 [patent_app_country] => US [patent_app_date] => 1992-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8338 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/288/05288335.pdf [firstpage_image] =>[orig_patent_app_number] => 901915 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/901915
Paint stripper and varnish remover compositions, methods for making these compositions and methods for removing paint and other polymeric coatings from flexible and inflexible surfaces Jun 21, 1992 Issued
Array ( [id] => 3092398 [patent_doc_number] => 05314532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Soluble salt-free contaminant-free pigmented mirror coatings' [patent_app_type] => 1 [patent_app_number] => 7/902206 [patent_app_country] => US [patent_app_date] => 1992-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4194 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/314/05314532.pdf [firstpage_image] =>[orig_patent_app_number] => 902206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/902206
Soluble salt-free contaminant-free pigmented mirror coatings Jun 21, 1992 Issued
Array ( [id] => 3004011 [patent_doc_number] => 05281266 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Solvent compositions for use in pressure-sensitive copying paper' [patent_app_type] => 1 [patent_app_number] => 7/899308 [patent_app_country] => US [patent_app_date] => 1992-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8583 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/281/05281266.pdf [firstpage_image] =>[orig_patent_app_number] => 899308 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/899308
Solvent compositions for use in pressure-sensitive copying paper Jun 15, 1992 Issued
Array ( [id] => 2966424 [patent_doc_number] => 05224990 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Surfactant-modified bituminous emulsions' [patent_app_type] => 1 [patent_app_number] => 7/898159 [patent_app_country] => US [patent_app_date] => 1992-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7171 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224990.pdf [firstpage_image] =>[orig_patent_app_number] => 898159 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/898159
Surfactant-modified bituminous emulsions Jun 14, 1992 Issued
Array ( [id] => 3077170 [patent_doc_number] => 05279660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Use of viscosity-adjusting agent to counteract viscosity decrease upon temperature increase of a water-based system' [patent_app_type] => 1 [patent_app_number] => 7/895440 [patent_app_country] => US [patent_app_date] => 1992-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2061 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279660.pdf [firstpage_image] =>[orig_patent_app_number] => 895440 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/895440
Use of viscosity-adjusting agent to counteract viscosity decrease upon temperature increase of a water-based system Jun 4, 1992 Issued
07/893504 VANADIUM OXIDE COLLOIDAL DISPERSIONS AND ANTISTATIC COATINGS Jun 3, 1992 Abandoned
Array ( [id] => 3030324 [patent_doc_number] => 05300268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Process for the manufacture of aqueous solutions of ferric chloride' [patent_app_type] => 1 [patent_app_number] => 7/889919 [patent_app_country] => US [patent_app_date] => 1992-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1965 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/300/05300268.pdf [firstpage_image] =>[orig_patent_app_number] => 889919 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/889919
Process for the manufacture of aqueous solutions of ferric chloride May 28, 1992 Issued
Array ( [id] => 3020143 [patent_doc_number] => 05316578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Process and apparatus for producing starch melt and products obtainable by this process' [patent_app_type] => 1 [patent_app_number] => 7/890563 [patent_app_country] => US [patent_app_date] => 1992-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4852 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/316/05316578.pdf [firstpage_image] =>[orig_patent_app_number] => 890563 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/890563
Process and apparatus for producing starch melt and products obtainable by this process May 27, 1992 Issued
Array ( [id] => 2880681 [patent_doc_number] => 05268154 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-07 [patent_title] => 'Process for disaggregating boronatrocalcite ore in an alkaline medium for the production of sodium borate and calcium borate' [patent_app_type] => 1 [patent_app_number] => 7/887153 [patent_app_country] => US [patent_app_date] => 1992-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3529 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/268/05268154.pdf [firstpage_image] =>[orig_patent_app_number] => 887153 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/887153
Process for disaggregating boronatrocalcite ore in an alkaline medium for the production of sodium borate and calcium borate May 21, 1992 Issued
Array ( [id] => 2967561 [patent_doc_number] => 05207827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Ear plug composition' [patent_app_type] => 1 [patent_app_number] => 7/885683 [patent_app_country] => US [patent_app_date] => 1992-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 889 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/207/05207827.pdf [firstpage_image] =>[orig_patent_app_number] => 885683 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/885683
Ear plug composition May 18, 1992 Issued
Array ( [id] => 2966482 [patent_doc_number] => 05224993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Sizing agent for paper' [patent_app_type] => 1 [patent_app_number] => 7/881631 [patent_app_country] => US [patent_app_date] => 1992-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2830 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224993.pdf [firstpage_image] =>[orig_patent_app_number] => 881631 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/881631
Sizing agent for paper May 11, 1992 Issued
Array ( [id] => 3058842 [patent_doc_number] => 05294251 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Microcrystalline wax coating composition' [patent_app_type] => 1 [patent_app_number] => 7/879912 [patent_app_country] => US [patent_app_date] => 1992-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2717 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/294/05294251.pdf [firstpage_image] =>[orig_patent_app_number] => 879912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/879912
Microcrystalline wax coating composition May 7, 1992 Issued
Array ( [id] => 2902453 [patent_doc_number] => 05226960 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Asphalt paving mix and method for making it' [patent_app_type] => 1 [patent_app_number] => 7/880081 [patent_app_country] => US [patent_app_date] => 1992-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2170 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/226/05226960.pdf [firstpage_image] =>[orig_patent_app_number] => 880081 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/880081
Asphalt paving mix and method for making it May 5, 1992 Issued
Array ( [id] => 2945033 [patent_doc_number] => 05221344 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Concrete composition containing a superfluidifying additive' [patent_app_type] => 1 [patent_app_number] => 7/877835 [patent_app_country] => US [patent_app_date] => 1992-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1783 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221344.pdf [firstpage_image] =>[orig_patent_app_number] => 877835 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/877835
Concrete composition containing a superfluidifying additive Apr 30, 1992 Issued
Array ( [id] => 2993326 [patent_doc_number] => RE034675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-26 [patent_title] => 'Coupling agent compositions' [patent_app_type] => 2 [patent_app_number] => 7/876990 [patent_app_country] => US [patent_app_date] => 1992-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4571 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/034/RE034675.pdf [firstpage_image] =>[orig_patent_app_number] => 876990 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/876990
Coupling agent compositions Apr 30, 1992 Issued
Array ( [id] => 3077195 [patent_doc_number] => 05279661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Vaporized hydrogen silsesquioxane for depositing a coating' [patent_app_type] => 1 [patent_app_number] => 7/874169 [patent_app_country] => US [patent_app_date] => 1992-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2240 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279661.pdf [firstpage_image] =>[orig_patent_app_number] => 874169 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/874169
Vaporized hydrogen silsesquioxane for depositing a coating Apr 26, 1992 Issued
Array ( [id] => 2933015 [patent_doc_number] => 05223033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Paste formulations for use in the electronics industry' [patent_app_type] => 1 [patent_app_number] => 7/860230 [patent_app_country] => US [patent_app_date] => 1992-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2061 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/223/05223033.pdf [firstpage_image] =>[orig_patent_app_number] => 860230 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/860230
Paste formulations for use in the electronics industry Apr 26, 1992 Issued
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