Search

Prema Maria Mertz

Examiner (ID: 327, Phone: (571)272-0876 , Office: P/1646 )

Most Active Art Unit
1646
Art Unit(s)
1621, 1646, 1812, 1674
Total Applications
2670
Issued Applications
1587
Pending Applications
443
Abandoned Applications
670

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16845715 [patent_doc_number] => 11017808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium [patent_app_type] => utility [patent_app_number] => 15/765416 [patent_app_country] => US [patent_app_date] => 2016-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7568 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15765416 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765416
Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium Oct 26, 2016 Issued
Array ( [id] => 16249318 [patent_doc_number] => 10748692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-18 [patent_title] => Magnet apparatus for generating high gradient magnetic field [patent_app_type] => utility [patent_app_number] => 15/769247 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 45 [patent_no_of_words] => 14352 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15769247 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/769247
Magnet apparatus for generating high gradient magnetic field Oct 18, 2016 Issued
Array ( [id] => 11498220 [patent_doc_number] => 20170072405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'DEVICES AND METHODS FOR SEPARATING PARTICLES' [patent_app_type] => utility [patent_app_number] => 15/290700 [patent_app_country] => US [patent_app_date] => 2016-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 12022 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15290700 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/290700
Devices and methods for separating particles Oct 10, 2016 Issued
Array ( [id] => 13458869 [patent_doc_number] => 20180280977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => Sorting Biological and Non-Biological Moieties Using Magnetic Levitation [patent_app_type] => utility [patent_app_number] => 15/764017 [patent_app_country] => US [patent_app_date] => 2016-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15764017 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/764017
Sorting biological and non-biological moieties using magnetic levitation Sep 29, 2016 Issued
Array ( [id] => 11304636 [patent_doc_number] => 09512022 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-12-06 [patent_title] => 'Wastewater treatment system and method' [patent_app_type] => utility [patent_app_number] => 15/276395 [patent_app_country] => US [patent_app_date] => 2016-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8306 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15276395 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/276395
Wastewater treatment system and method Sep 25, 2016 Issued
Array ( [id] => 11304637 [patent_doc_number] => 09512023 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-12-06 [patent_title] => 'Wastewater treatment system and method' [patent_app_type] => utility [patent_app_number] => 15/276773 [patent_app_country] => US [patent_app_date] => 2016-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5222 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15276773 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/276773
Wastewater treatment system and method Sep 25, 2016 Issued
Array ( [id] => 16924309 [patent_doc_number] => 11045768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-29 [patent_title] => Method of operating membrane filter [patent_app_type] => utility [patent_app_number] => 15/274520 [patent_app_country] => US [patent_app_date] => 2016-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5790 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15274520 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/274520
Method of operating membrane filter Sep 22, 2016 Issued
Array ( [id] => 13443711 [patent_doc_number] => 20180273398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => GRAVITY-FLOW FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/762493 [patent_app_country] => US [patent_app_date] => 2016-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15762493 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/762493
Gravity-flow filter assembly Sep 21, 2016 Issued
Array ( [id] => 12905875 [patent_doc_number] => 20180193800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => SYMBIOTIC REVERSE OSMOSIS FOR MAXIMIZING DESALINATED WATER RECOVERY FROM SALINE WATERS AND BRINES [patent_app_type] => utility [patent_app_number] => 15/757604 [patent_app_country] => US [patent_app_date] => 2016-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15757604 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/757604
Symbiotic reverse osmosis for maximizing desalinated water recovery from saline waters and brines Sep 18, 2016 Issued
Array ( [id] => 11363221 [patent_doc_number] => 20170001201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-05 [patent_title] => 'RADIOFREQUENCY PARTICLE SEPARATOR' [patent_app_type] => utility [patent_app_number] => 15/267951 [patent_app_country] => US [patent_app_date] => 2016-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9985 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15267951 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/267951
RADIOFREQUENCY PARTICLE SEPARATOR Sep 15, 2016 Abandoned
Array ( [id] => 11498166 [patent_doc_number] => 20170072351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'Solid/Fluid Separator and Method of Manufacture' [patent_app_type] => utility [patent_app_number] => 15/257948 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5239 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15257948 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/257948
Solid/Fluid Separator and Method of Manufacture Sep 6, 2016 Abandoned
Array ( [id] => 11513315 [patent_doc_number] => 20170080389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-23 [patent_title] => 'SYMBIOTIC REVERSE OSMOSIS FOR MAXIMIZING DESALINATED WATER RECOVERY FROM SALINE WATERS AND BRINES' [patent_app_type] => utility [patent_app_number] => 15/257585 [patent_app_country] => US [patent_app_date] => 2016-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 7309 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15257585 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/257585
SYMBIOTIC REVERSE OSMOSIS FOR MAXIMIZING DESALINATED WATER RECOVERY FROM SALINE WATERS AND BRINES Sep 5, 2016 Abandoned
Array ( [id] => 17014364 [patent_doc_number] => 11083984 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Duct for use in a system for separating particles suspended in a fluid, and a method of designing such duct [patent_app_type] => utility [patent_app_number] => 15/756412 [patent_app_country] => US [patent_app_date] => 2016-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4682 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15756412 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/756412
Duct for use in a system for separating particles suspended in a fluid, and a method of designing such duct Aug 31, 2016 Issued
Array ( [id] => 13576749 [patent_doc_number] => 20180339923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => BEAD SEPARATION IN MICROFLUIDICS [patent_app_type] => utility [patent_app_number] => 15/756209 [patent_app_country] => US [patent_app_date] => 2016-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15756209 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/756209
Bead separation in microfluidics Aug 31, 2016 Issued
Array ( [id] => 11349179 [patent_doc_number] => 20160367919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'Internal Magnetic Filter for Hydraulic Systems' [patent_app_type] => utility [patent_app_number] => 15/254815 [patent_app_country] => US [patent_app_date] => 2016-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3817 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15254815 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/254815
Internal Magnetic Filter for Hydraulic Systems Aug 31, 2016 Abandoned
Array ( [id] => 12058927 [patent_doc_number] => 20170335272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'CLOSE-SYSTEM CELL ISOLATION METHOD, CLOSE-SYSTEM CELL CULTURE BAG, AND CLOSE-SYSTEM CELL ISOLATION DEVICE' [patent_app_type] => utility [patent_app_number] => 15/248484 [patent_app_country] => US [patent_app_date] => 2016-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7020 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15248484 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/248484
CLOSE-SYSTEM CELL ISOLATION METHOD, CLOSE-SYSTEM CELL CULTURE BAG, AND CLOSE-SYSTEM CELL ISOLATION DEVICE Aug 25, 2016 Abandoned
Array ( [id] => 16058995 [patent_doc_number] => 10688421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-23 [patent_title] => Strainer for turbine engine oil [patent_app_type] => utility [patent_app_number] => 15/229586 [patent_app_country] => US [patent_app_date] => 2016-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4171 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15229586 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/229586
Strainer for turbine engine oil Aug 4, 2016 Issued
Array ( [id] => 16695770 [patent_doc_number] => 10946342 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Dynamic coating of MF/UF membranes for fouling mitigation [patent_app_type] => utility [patent_app_number] => 15/737497 [patent_app_country] => US [patent_app_date] => 2016-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4357 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15737497 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/737497
Dynamic coating of MF/UF membranes for fouling mitigation Jul 12, 2016 Issued
Array ( [id] => 11351510 [patent_doc_number] => 20160370250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'DEFECT INSPECTION APPARATUS AND DEFECT INSPECTION METHOD FOR POROUS HOLLOW FIBER MEMBRANE, POROUS HOLLOW FIBER MEMBRANE, AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 15/204708 [patent_app_country] => US [patent_app_date] => 2016-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 18657 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15204708 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/204708
DEFECT INSPECTION APPARATUS AND DEFECT INSPECTION METHOD FOR POROUS HOLLOW FIBER MEMBRANE, POROUS HOLLOW FIBER MEMBRANE, AND MANUFACTURING METHOD THEREOF Jul 6, 2016 Abandoned
Array ( [id] => 11113907 [patent_doc_number] => 20160310879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'FILTER CARTRIDGE END PLATE FOR USE IN REMOVING A FILTER CARTRIDGE FROM A SHELL' [patent_app_type] => utility [patent_app_number] => 15/202244 [patent_app_country] => US [patent_app_date] => 2016-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2995 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15202244 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/202244
Filter cartridge end plate for use in removing a filter cartridge from a shell Jul 4, 2016 Issued
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