Search

Michael D. David

Examiner (ID: 14559, Phone: (571)270-3737 , Office: P/3641 )

Most Active Art Unit
3641
Art Unit(s)
3641, 4155
Total Applications
1226
Issued Applications
1047
Pending Applications
63
Abandoned Applications
137

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3827631 [patent_doc_number] => 05814233 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Compositions and methods for treating water' [patent_app_type] => 1 [patent_app_number] => 8/966673 [patent_app_country] => US [patent_app_date] => 1997-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4338 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/814/05814233.pdf [firstpage_image] =>[orig_patent_app_number] => 966673 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/966673
Compositions and methods for treating water Nov 9, 1997 Issued
Array ( [id] => 3734701 [patent_doc_number] => 05785863 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Removing metals from aqueous waste streams' [patent_app_type] => 1 [patent_app_number] => 8/959179 [patent_app_country] => US [patent_app_date] => 1997-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2939 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785863.pdf [firstpage_image] =>[orig_patent_app_number] => 959179 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/959179
Removing metals from aqueous waste streams Oct 27, 1997 Issued
Array ( [id] => 3870929 [patent_doc_number] => 05804064 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Swimming pool skimmer having a deflector member' [patent_app_type] => 1 [patent_app_number] => 8/915768 [patent_app_country] => US [patent_app_date] => 1997-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1997 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/804/05804064.pdf [firstpage_image] =>[orig_patent_app_number] => 915768 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/915768
Swimming pool skimmer having a deflector member Aug 20, 1997 Issued
Array ( [id] => 3881336 [patent_doc_number] => 05833841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Method and apparatus for purifying water and for maintaining the purity thereof' [patent_app_type] => 1 [patent_app_number] => 8/900386 [patent_app_country] => US [patent_app_date] => 1997-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2278 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/833/05833841.pdf [firstpage_image] =>[orig_patent_app_number] => 900386 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/900386
Method and apparatus for purifying water and for maintaining the purity thereof Jul 11, 1997 Issued
Array ( [id] => 3779644 [patent_doc_number] => 05840196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Wastewater management product and process' [patent_app_type] => 1 [patent_app_number] => 8/872260 [patent_app_country] => US [patent_app_date] => 1997-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2465 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/840/05840196.pdf [firstpage_image] =>[orig_patent_app_number] => 872260 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/872260
Wastewater management product and process Jun 9, 1997 Issued
Array ( [id] => 3806961 [patent_doc_number] => 05854169 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Photocatalyst-binder compositions' [patent_app_type] => 1 [patent_app_number] => 8/853431 [patent_app_country] => US [patent_app_date] => 1997-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 11036 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/854/05854169.pdf [firstpage_image] =>[orig_patent_app_number] => 853431 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/853431
Photocatalyst-binder compositions May 8, 1997 Issued
Array ( [id] => 3734761 [patent_doc_number] => 05785867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide' [patent_app_type] => 1 [patent_app_number] => 8/848326 [patent_app_country] => US [patent_app_date] => 1997-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5914 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785867.pdf [firstpage_image] =>[orig_patent_app_number] => 848326 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/848326
Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide Apr 29, 1997 Issued
Array ( [id] => 3776168 [patent_doc_number] => 05820766 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Reduction of sulfide in fluids' [patent_app_type] => 1 [patent_app_number] => 8/842296 [patent_app_country] => US [patent_app_date] => 1997-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3838 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/820/05820766.pdf [firstpage_image] =>[orig_patent_app_number] => 842296 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/842296
Reduction of sulfide in fluids Apr 22, 1997 Issued
Array ( [id] => 3868559 [patent_doc_number] => 05746924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-05 [patent_title] => 'Antifoulant for acrylonitrile purification' [patent_app_type] => 1 [patent_app_number] => 8/838120 [patent_app_country] => US [patent_app_date] => 1997-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2112 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/746/05746924.pdf [firstpage_image] =>[orig_patent_app_number] => 838120 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/838120
Antifoulant for acrylonitrile purification Apr 14, 1997 Issued
Array ( [id] => 3779080 [patent_doc_number] => 05840158 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Colloidal silica/polyelectrolyte blends for pulp and paper applications' [patent_app_type] => 1 [patent_app_number] => 8/834915 [patent_app_country] => US [patent_app_date] => 1997-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4350 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/840/05840158.pdf [firstpage_image] =>[orig_patent_app_number] => 834915 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/834915
Colloidal silica/polyelectrolyte blends for pulp and paper applications Apr 6, 1997 Issued
Array ( [id] => 3878078 [patent_doc_number] => 05798047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-25 [patent_title] => 'Process and apparatus for ultraviolet decomposition of waste water containing organic substances' [patent_app_type] => 1 [patent_app_number] => 8/831030 [patent_app_country] => US [patent_app_date] => 1997-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2854 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/798/05798047.pdf [firstpage_image] =>[orig_patent_app_number] => 831030 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/831030
Process and apparatus for ultraviolet decomposition of waste water containing organic substances Apr 3, 1997 Issued
Array ( [id] => 3827548 [patent_doc_number] => 05814227 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Water treatment arrangement' [patent_app_type] => 1 [patent_app_number] => 8/825438 [patent_app_country] => US [patent_app_date] => 1997-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2990 [patent_no_of_claims] => 23 [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/05/814/05814227.pdf [firstpage_image] =>[orig_patent_app_number] => 825438 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/825438
Water treatment arrangement Mar 27, 1997 Issued
Array ( [id] => 4028155 [patent_doc_number] => 05942115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Self flocculating separation medium and method' [patent_app_type] => 1 [patent_app_number] => 8/821389 [patent_app_country] => US [patent_app_date] => 1997-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5464 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/942/05942115.pdf [firstpage_image] =>[orig_patent_app_number] => 821389 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/821389
Self flocculating separation medium and method Mar 19, 1997 Issued
Array ( [id] => 3867905 [patent_doc_number] => 05824227 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Method for removing fluoride from water' [patent_app_type] => 1 [patent_app_number] => 8/820589 [patent_app_country] => US [patent_app_date] => 1997-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2988 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/824/05824227.pdf [firstpage_image] =>[orig_patent_app_number] => 820589 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/820589
Method for removing fluoride from water Mar 18, 1997 Issued
Array ( [id] => 3792197 [patent_doc_number] => 05827434 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-27 [patent_title] => 'Apparatus and methods for reducing and deterring biological contamination' [patent_app_type] => 1 [patent_app_number] => 8/820804 [patent_app_country] => US [patent_app_date] => 1997-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4121 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/827/05827434.pdf [firstpage_image] =>[orig_patent_app_number] => 820804 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/820804
Apparatus and methods for reducing and deterring biological contamination Mar 18, 1997 Issued
Array ( [id] => 3820075 [patent_doc_number] => 05783092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-21 [patent_title] => 'Water treatment method' [patent_app_type] => 1 [patent_app_number] => 8/819731 [patent_app_country] => US [patent_app_date] => 1997-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5145 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/783/05783092.pdf [firstpage_image] =>[orig_patent_app_number] => 819731 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/819731
Water treatment method Mar 17, 1997 Issued
Array ( [id] => 3888614 [patent_doc_number] => 05750038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Method for the preparation of acid-resistant calcium silicate' [patent_app_type] => 1 [patent_app_number] => 8/813684 [patent_app_country] => US [patent_app_date] => 1997-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3060 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/750/05750038.pdf [firstpage_image] =>[orig_patent_app_number] => 813684 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/813684
Method for the preparation of acid-resistant calcium silicate Mar 6, 1997 Issued
Array ( [id] => 3819200 [patent_doc_number] => 05730884 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Method of removing selenate ion from selenate ion-containing aqueous waste liquid' [patent_app_type] => 1 [patent_app_number] => 8/812071 [patent_app_country] => US [patent_app_date] => 1997-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1591 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/730/05730884.pdf [firstpage_image] =>[orig_patent_app_number] => 812071 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/812071
Method of removing selenate ion from selenate ion-containing aqueous waste liquid Mar 5, 1997 Issued
Array ( [id] => 3818964 [patent_doc_number] => 05759410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Process for recovering mercapto-s-triazines from silver precipitate' [patent_app_type] => 1 [patent_app_number] => 8/812366 [patent_app_country] => US [patent_app_date] => 1997-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4492 [patent_no_of_claims] => 19 [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/05/759/05759410.pdf [firstpage_image] =>[orig_patent_app_number] => 812366 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/812366
Process for recovering mercapto-s-triazines from silver precipitate Mar 4, 1997 Issued
Array ( [id] => 4045043 [patent_doc_number] => 05932111 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Photoelectrochemical reactor' [patent_app_type] => 1 [patent_app_number] => 8/750969 [patent_app_country] => US [patent_app_date] => 1997-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7351 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/932/05932111.pdf [firstpage_image] =>[orig_patent_app_number] => 750969 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/750969
Photoelectrochemical reactor Feb 27, 1997 Issued
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