Search

Christopher A. Johnson

Examiner (ID: 11898, Phone: (571)272-9475 , Office: P/2899 )

Most Active Art Unit
2899
Art Unit(s)
2899, 2896
Total Applications
696
Issued Applications
536
Pending Applications
88
Abandoned Applications
91

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16289140 [patent_doc_number] => 10765966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-08 [patent_title] => Biomass extraction and centrifugation systems and methods [patent_app_type] => utility [patent_app_number] => 16/679036 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10127 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16679036 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/679036
Biomass extraction and centrifugation systems and methods Nov 7, 2019 Issued
Array ( [id] => 16770008 [patent_doc_number] => 10981091 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-20 [patent_title] => Regenerative media filtration [patent_app_type] => utility [patent_app_number] => 16/677900 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 52 [patent_no_of_words] => 9623 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16677900 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677900
Regenerative media filtration Nov 7, 2019 Issued
Array ( [id] => 16742325 [patent_doc_number] => 10967296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-06 [patent_title] => Method and device for high-throughput solution exchange for cell and particle suspensions [patent_app_type] => utility [patent_app_number] => 16/676352 [patent_app_country] => US [patent_app_date] => 2019-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6178 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 16676352 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/676352
Method and device for high-throughput solution exchange for cell and particle suspensions Nov 5, 2019 Issued
Array ( [id] => 17148627 [patent_doc_number] => 11141684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Water treatment system and method [patent_app_type] => utility [patent_app_number] => 16/672474 [patent_app_country] => US [patent_app_date] => 2019-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 54 [patent_no_of_words] => 11589 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16672474 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/672474
Water treatment system and method Nov 2, 2019 Issued
Array ( [id] => 16405716 [patent_doc_number] => 10814256 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-27 [patent_title] => Regenerative media filtration [patent_app_type] => utility [patent_app_number] => 16/668415 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 52 [patent_no_of_words] => 9623 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16668415 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/668415
Regenerative media filtration Oct 29, 2019 Issued
Array ( [id] => 15801863 [patent_doc_number] => 20200124074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => FRAMES FOR GEOMETRIC SOLIDS AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 16/657849 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16657849 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/657849
FRAMES FOR GEOMETRIC SOLIDS AND METHODS OF USE THEREOF Oct 17, 2019 Abandoned
Array ( [id] => 17377996 [patent_doc_number] => 11235992 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Electromagnetic fluid treatment apparatus [patent_app_type] => utility [patent_app_number] => 16/592659 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 4698 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16592659 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/592659
Electromagnetic fluid treatment apparatus Oct 2, 2019 Issued
Array ( [id] => 15709313 [patent_doc_number] => 20200101422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => Filtration System and Method of Operating a Filtration System [patent_app_type] => utility [patent_app_number] => 16/583608 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16583608 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/583608
Filtration System and Method of Operating a Filtration System Sep 25, 2019 Abandoned
Array ( [id] => 16726899 [patent_doc_number] => 20210094046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => Devices, systems, and methods for magnetically isolating and removing components of a fluid [patent_app_type] => utility [patent_app_number] => 16/583947 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16583947 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/583947
Devices, systems, and methods for magnetically isolating and removing components of a fluid Sep 25, 2019 Abandoned
Array ( [id] => 17220968 [patent_doc_number] => 11173453 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Method and device for repairing a membrane filtration module [patent_app_type] => utility [patent_app_number] => 16/581709 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10727 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16581709 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/581709
Method and device for repairing a membrane filtration module Sep 23, 2019 Issued
Array ( [id] => 15321815 [patent_doc_number] => 20200001237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => MEMBRANE FILTRATION METHOD [patent_app_type] => utility [patent_app_number] => 16/568765 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16568765 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/568765
Membrane filtration method Sep 11, 2019 Issued
Array ( [id] => 16405715 [patent_doc_number] => 10814255 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-27 [patent_title] => Regenerative media filtration [patent_app_type] => utility [patent_app_number] => 16/543747 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 52 [patent_no_of_words] => 9624 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16543747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/543747
Regenerative media filtration Aug 18, 2019 Issued
Array ( [id] => 15737351 [patent_doc_number] => 20200107563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => MOLECULAR MODIFIER FOR COMBUSTIBLE AND NON-COMBUSTIBLE FLUIDS, LIQUIDS AND GASES [patent_app_type] => utility [patent_app_number] => 16/539779 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16539779 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/539779
MOLECULAR MODIFIER FOR COMBUSTIBLE AND NON-COMBUSTIBLE FLUIDS, LIQUIDS AND GASES Aug 12, 2019 Abandoned
Array ( [id] => 15209397 [patent_doc_number] => 20190367385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => ECOLOGICALLY SUSTAINABLE HYDRAULIC FRACTURING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/534138 [patent_app_country] => US [patent_app_date] => 2019-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16534138 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/534138
Ecologically sustainable hydraulic fracturing system and method Aug 6, 2019 Issued
Array ( [id] => 16476080 [patent_doc_number] => 10851007 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-01 [patent_title] => System for processing Red Mud and method of processing Red Mud [patent_app_type] => utility [patent_app_number] => 16/533232 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 8486 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16533232 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/533232
System for processing Red Mud and method of processing Red Mud Aug 5, 2019 Issued
Array ( [id] => 15433267 [patent_doc_number] => 20200030816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => DEVICE FOR MAGNETIC BEAD SEPARATION AND RESUSPENSION [patent_app_type] => utility [patent_app_number] => 16/524388 [patent_app_country] => US [patent_app_date] => 2019-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16524388 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/524388
DEVICE FOR MAGNETIC BEAD SEPARATION AND RESUSPENSION Jul 28, 2019 Abandoned
Array ( [id] => 16590387 [patent_doc_number] => 10899636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Magnetization and manipulation of hydrophobic absorbents [patent_app_type] => utility [patent_app_number] => 16/513152 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 8846 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16513152 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/513152
Magnetization and manipulation of hydrophobic absorbents Jul 15, 2019 Issued
Array ( [id] => 15145983 [patent_doc_number] => 20190351469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => SYSTEM AND METHOD FOR TREATMENT OF CONTAMINATED SEDIMENTS USING FREE RADICAL CHEMICAL REACTION AND PHASE SEPARATION PROCESSES [patent_app_type] => utility [patent_app_number] => 16/510655 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -79 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510655 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510655
SYSTEM AND METHOD FOR TREATMENT OF CONTAMINATED SEDIMENTS USING FREE RADICAL CHEMICAL REACTION AND PHASE SEPARATION PROCESSES Jul 11, 2019 Abandoned
Array ( [id] => 18084662 [patent_doc_number] => 11534773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Centrifugal separation container and centrifugal separator [patent_app_type] => utility [patent_app_number] => 16/506321 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11381 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16506321 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/506321
Centrifugal separation container and centrifugal separator Jul 8, 2019 Issued
Array ( [id] => 14961281 [patent_doc_number] => 20190308118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => FILTER FRAME, FILTER CARTRIDGE, AND ASSEMBLING METHOD OF THE FILTER CARTRIDGE [patent_app_type] => utility [patent_app_number] => 16/447954 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16447954 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447954
Filter frame, filter cartridge, and assembling method of the filter cartridge Jun 19, 2019 Issued
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