Search

Hemant Desai

Supervisory Patent Examiner (ID: 1994, Phone: (571)272-4458 , Office: P/3721 )

Most Active Art Unit
3721
Art Unit(s)
3721, 3731
Total Applications
1094
Issued Applications
787
Pending Applications
41
Abandoned Applications
266

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4398786 [patent_doc_number] => 06270676 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-07 [patent_title] => 'Process for removing ethers and/or polycyclic aromatic hydrocarbons from water containing them' [patent_app_type] => 1 [patent_app_number] => 8/797126 [patent_app_country] => US [patent_app_date] => 1997-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2047 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/270/06270676.pdf [firstpage_image] =>[orig_patent_app_number] => 797126 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/797126
Process for removing ethers and/or polycyclic aromatic hydrocarbons from water containing them Feb 9, 1997 Issued
Array ( [id] => 3919177 [patent_doc_number] => 05876607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'Activated carbon treated by carbon dioxide for the stabilization of treated water pH and the control of aluminum in the treated water' [patent_app_type] => 1 [patent_app_number] => 8/795002 [patent_app_country] => US [patent_app_date] => 1997-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3028 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/876/05876607.pdf [firstpage_image] =>[orig_patent_app_number] => 795002 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/795002
Activated carbon treated by carbon dioxide for the stabilization of treated water pH and the control of aluminum in the treated water Feb 4, 1997 Issued
Array ( [id] => 4021469 [patent_doc_number] => 05993672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Slow sand filter for use with intermittently flowing water supply and method of use thereof' [patent_app_type] => 1 [patent_app_number] => 8/788497 [patent_app_country] => US [patent_app_date] => 1997-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5426 [patent_no_of_claims] => 4 [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/05/993/05993672.pdf [firstpage_image] =>[orig_patent_app_number] => 788497 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/788497
Slow sand filter for use with intermittently flowing water supply and method of use thereof Jan 27, 1997 Issued
Array ( [id] => 3868513 [patent_doc_number] => 05746922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-05 [patent_title] => 'Process for removing chromate ion from a concentrated solution of sodium sulfate' [patent_app_type] => 1 [patent_app_number] => 8/789657 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5633 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/746/05746922.pdf [firstpage_image] =>[orig_patent_app_number] => 789657 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/789657
Process for removing chromate ion from a concentrated solution of sodium sulfate Jan 26, 1997 Issued
Array ( [id] => 3785163 [patent_doc_number] => 05779906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-14 [patent_title] => 'Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with a pyrogallol moiety' [patent_app_type] => 1 [patent_app_number] => 8/791477 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6267 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/779/05779906.pdf [firstpage_image] =>[orig_patent_app_number] => 791477 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/791477
Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with a pyrogallol moiety Jan 26, 1997 Issued
Array ( [id] => 3769247 [patent_doc_number] => 05817239 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with an hydroxyquinoline moiety' [patent_app_type] => 1 [patent_app_number] => 8/788397 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6833 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/817/05817239.pdf [firstpage_image] =>[orig_patent_app_number] => 788397 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/788397
Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with an hydroxyquinoline moiety Jan 26, 1997 Issued
Array ( [id] => 3827532 [patent_doc_number] => 05814226 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with a thiol and/or amine moiety' [patent_app_type] => 1 [patent_app_number] => 8/788396 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7539 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/814/05814226.pdf [firstpage_image] =>[orig_patent_app_number] => 788396 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/788396
Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with a thiol and/or amine moiety Jan 26, 1997 Issued
Array ( [id] => 3877255 [patent_doc_number] => 05776340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-07 [patent_title] => 'Apparatus for minimizing wastewater discharge' [patent_app_type] => 1 [patent_app_number] => 8/787691 [patent_app_country] => US [patent_app_date] => 1997-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 15875 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 551 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/776/05776340.pdf [firstpage_image] =>[orig_patent_app_number] => 787691 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/787691
Apparatus for minimizing wastewater discharge Jan 22, 1997 Issued
Array ( [id] => 3881404 [patent_doc_number] => 05833846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'High-purity water producing apparatus utilizing boron-selective ion exchange resin' [patent_app_type] => 1 [patent_app_number] => 8/785507 [patent_app_country] => US [patent_app_date] => 1997-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5007 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/833/05833846.pdf [firstpage_image] =>[orig_patent_app_number] => 785507 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/785507
High-purity water producing apparatus utilizing boron-selective ion exchange resin Jan 16, 1997 Issued
Array ( [id] => 3855721 [patent_doc_number] => 05795471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Shower head having a water purifying function' [patent_app_type] => 1 [patent_app_number] => 8/784004 [patent_app_country] => US [patent_app_date] => 1997-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4389 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/795/05795471.pdf [firstpage_image] =>[orig_patent_app_number] => 784004 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/784004
Shower head having a water purifying function Jan 14, 1997 Issued
Array ( [id] => 3721690 [patent_doc_number] => 05702611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-30 [patent_title] => 'Process for removing heavy metal ions by ion exchange' [patent_app_type] => 1 [patent_app_number] => 8/783131 [patent_app_country] => US [patent_app_date] => 1997-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5902 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/702/05702611.pdf [firstpage_image] =>[orig_patent_app_number] => 783131 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/783131
Process for removing heavy metal ions by ion exchange Jan 13, 1997 Issued
08/781325 FILTERABLE COMPOSITE ADSORBENTS Jan 9, 1997 Abandoned
Array ( [id] => 4028270 [patent_doc_number] => 05942123 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Method of using a filter aid protein-polysaccharide complex composition' [patent_app_type] => 1 [patent_app_number] => 8/779455 [patent_app_country] => US [patent_app_date] => 1997-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8147 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/942/05942123.pdf [firstpage_image] =>[orig_patent_app_number] => 779455 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/779455
Method of using a filter aid protein-polysaccharide complex composition Jan 6, 1997 Issued
Array ( [id] => 3956866 [patent_doc_number] => 05900153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Device with granular carbon filter medium for purification of gasoline used in the internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/779252 [patent_app_country] => US [patent_app_date] => 1997-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1373 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/900/05900153.pdf [firstpage_image] =>[orig_patent_app_number] => 779252 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/779252
Device with granular carbon filter medium for purification of gasoline used in the internal-combustion engine Jan 2, 1997 Issued
Array ( [id] => 3986525 [patent_doc_number] => 05919287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Process for the purification of a solution of lithium salts contaminated by metallic cations and use of this process in the production of zeolites exchanged with lithium' [patent_app_type] => 1 [patent_app_number] => 8/775243 [patent_app_country] => US [patent_app_date] => 1996-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4173 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/919/05919287.pdf [firstpage_image] =>[orig_patent_app_number] => 775243 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/775243
Process for the purification of a solution of lithium salts contaminated by metallic cations and use of this process in the production of zeolites exchanged with lithium Dec 29, 1996 Issued
Array ( [id] => 3950718 [patent_doc_number] => 05955510 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-21 [patent_title] => 'Process for the regeneration of ion exchange resins in a fixed double-bed type apparatus' [patent_app_type] => 1 [patent_app_number] => 8/716197 [patent_app_country] => US [patent_app_date] => 1996-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4724 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/955/05955510.pdf [firstpage_image] =>[orig_patent_app_number] => 716197 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/716197
Process for the regeneration of ion exchange resins in a fixed double-bed type apparatus Dec 22, 1996 Issued
Array ( [id] => 4033644 [patent_doc_number] => 05942463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Alkali resistant protein adsorbent' [patent_app_type] => 1 [patent_app_number] => 8/750082 [patent_app_country] => US [patent_app_date] => 1996-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1915 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/942/05942463.pdf [firstpage_image] =>[orig_patent_app_number] => 750082 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/750082
Alkali resistant protein adsorbent Dec 18, 1996 Issued
Array ( [id] => 3752669 [patent_doc_number] => 05851388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Water purifier with sterilizing device' [patent_app_type] => 1 [patent_app_number] => 8/764106 [patent_app_country] => US [patent_app_date] => 1996-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3031 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/851/05851388.pdf [firstpage_image] =>[orig_patent_app_number] => 764106 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764106
Water purifier with sterilizing device Dec 5, 1996 Issued
Array ( [id] => 3734501 [patent_doc_number] => 05785848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Rectangular body water purification device' [patent_app_type] => 1 [patent_app_number] => 8/761219 [patent_app_country] => US [patent_app_date] => 1996-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1082 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785848.pdf [firstpage_image] =>[orig_patent_app_number] => 761219 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/761219
Rectangular body water purification device Dec 5, 1996 Issued
Array ( [id] => 3902795 [patent_doc_number] => 05897778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Method for eliminating environmental pollutants' [patent_app_type] => 1 [patent_app_number] => 8/753724 [patent_app_country] => US [patent_app_date] => 1996-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5282 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/897/05897778.pdf [firstpage_image] =>[orig_patent_app_number] => 753724 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/753724
Method for eliminating environmental pollutants Nov 28, 1996 Issued
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