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] => 11995340 [patent_doc_number] => 20170299495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'SYSTEM AND METHOD FOR CAPTURING AND RETRIEVING BIOLOGICAL PARTICLES AND CAPTURING DEVICE USED IN THE SAME' [patent_app_type] => utility [patent_app_number] => 15/469111 [patent_app_country] => US [patent_app_date] => 2017-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3246 [patent_no_of_claims] => 17 [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] => 15469111 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/469111
System and method for capturing and retrieving biological particles and capturing device used in the same Mar 23, 2017 Issued
Array ( [id] => 15100161 [patent_doc_number] => 10471376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-12 [patent_title] => Filter assembly [patent_app_type] => utility [patent_app_number] => 15/467700 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2866 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467700 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467700
Filter assembly Mar 22, 2017 Issued
Array ( [id] => 11970145 [patent_doc_number] => 20170274300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'Dirt Separator' [patent_app_type] => utility [patent_app_number] => 15/464697 [patent_app_country] => US [patent_app_date] => 2017-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4940 [patent_no_of_claims] => 20 [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] => 15464697 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/464697
Dirt Separator Mar 20, 2017 Abandoned
Array ( [id] => 13340503 [patent_doc_number] => 20180221791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => FILTER FRAME, FILTER CARTRIDGE, AND ASSEMBLING METHOD OF THE FILTER CARTRIDGE [patent_app_type] => utility [patent_app_number] => 15/453894 [patent_app_country] => US [patent_app_date] => 2017-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15453894 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/453894
Filter frame, filter cartridge, and assembling method of the filter cartridge Mar 7, 2017 Issued
Array ( [id] => 17161992 [patent_doc_number] => 11148077 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Composite filter cartridge [patent_app_type] => utility [patent_app_number] => 16/066741 [patent_app_country] => US [patent_app_date] => 2017-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2469 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16066741 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/066741
Composite filter cartridge Mar 1, 2017 Issued
Array ( [id] => 11959801 [patent_doc_number] => 20170263953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'ION EXCHANGER' [patent_app_type] => utility [patent_app_number] => 15/445114 [patent_app_country] => US [patent_app_date] => 2017-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5657 [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] => 15445114 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/445114
Ion exchanger Feb 27, 2017 Issued
Array ( [id] => 13824607 [patent_doc_number] => 20190015788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => FLAT-SHEET SEPARATION MEMBRANE ELEMENT, ELEMENT UNIT, FLAT-SHEET SEPARATION MEMBRANE MODULE, AND OPERATION METHOD FOR FLAT-SHEET SEPARATION MEMBRANE MODULE [patent_app_type] => utility [patent_app_number] => 16/080467 [patent_app_country] => US [patent_app_date] => 2017-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16080467 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/080467
FLAT-SHEET SEPARATION MEMBRANE ELEMENT, ELEMENT UNIT, FLAT-SHEET SEPARATION MEMBRANE MODULE, AND OPERATION METHOD FOR FLAT-SHEET SEPARATION MEMBRANE MODULE Feb 27, 2017 Abandoned
Array ( [id] => 11977951 [patent_doc_number] => 20170282105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'WATER PURIFYING APPARATUS AND REFRIGERATOR' [patent_app_type] => utility [patent_app_number] => 15/445525 [patent_app_country] => US [patent_app_date] => 2017-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9145 [patent_no_of_claims] => 20 [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] => 15445525 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/445525
Water purifying apparatus and refrigerator Feb 27, 2017 Issued
Array ( [id] => 13210523 [patent_doc_number] => 10119624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-06 [patent_title] => Clip filter for hydraulic valve and hydraulic valve with clip filter [patent_app_type] => utility [patent_app_number] => 15/442680 [patent_app_country] => US [patent_app_date] => 2017-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4027 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15442680 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/442680
Clip filter for hydraulic valve and hydraulic valve with clip filter Feb 25, 2017 Issued
Array ( [id] => 14211479 [patent_doc_number] => 20190118124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => HYDROGEN WATER AND MAGNETIC WATER GENERATING WATER BOTTLE [patent_app_type] => utility [patent_app_number] => 16/068319 [patent_app_country] => US [patent_app_date] => 2017-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6305 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 446 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16068319 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/068319
HYDROGEN WATER AND MAGNETIC WATER GENERATING WATER BOTTLE Feb 22, 2017 Abandoned
Array ( [id] => 11970151 [patent_doc_number] => 20170274304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'WATER PURIFYING APPARATUS AND FILTER STRUCTURE' [patent_app_type] => utility [patent_app_number] => 15/439525 [patent_app_country] => US [patent_app_date] => 2017-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 15862 [patent_no_of_claims] => 37 [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] => 15439525 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/439525
Water purifying apparatus and filter structure Feb 21, 2017 Issued
Array ( [id] => 11935530 [patent_doc_number] => 20170239679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'SYSTEM AND METHOD HAVING FILTER DISPOSED IN FLUID SUPPLY CUP' [patent_app_type] => utility [patent_app_number] => 15/432734 [patent_app_country] => US [patent_app_date] => 2017-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7658 [patent_no_of_claims] => 25 [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] => 15432734 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/432734
SYSTEM AND METHOD HAVING FILTER DISPOSED IN FLUID SUPPLY CUP Feb 13, 2017 Abandoned
Array ( [id] => 11937237 [patent_doc_number] => 20170241387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'Filter unit, filter system, and motor vehicle with filter system' [patent_app_type] => utility [patent_app_number] => 15/431024 [patent_app_country] => US [patent_app_date] => 2017-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4913 [patent_no_of_claims] => 12 [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] => 15431024 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/431024
Filter unit, filter system, and motor vehicle with filter system Feb 12, 2017 Abandoned
Array ( [id] => 13355241 [patent_doc_number] => 20180229160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => SELF CLEANING POOL CLEANER [patent_app_type] => utility [patent_app_number] => 15/429169 [patent_app_country] => US [patent_app_date] => 2017-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -56 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15429169 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/429169
Self cleaning pool cleaner Feb 9, 2017 Issued
Array ( [id] => 13871323 [patent_doc_number] => 20190032002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => CELL SEPARATION DEVICE AND USE OF A FLOW FORMATION FOR THE CELL SEPARATION DEVICE [patent_app_type] => utility [patent_app_number] => 16/077588 [patent_app_country] => US [patent_app_date] => 2017-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16077588 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/077588
Cell separation device and use of a flow formation for the cell separation device Feb 8, 2017 Issued
Array ( [id] => 11626232 [patent_doc_number] => 20170136421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-18 [patent_title] => 'ULTRAFILTRATION MEMBRANES AND METHODS OF MAKING' [patent_app_type] => utility [patent_app_number] => 15/421103 [patent_app_country] => US [patent_app_date] => 2017-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10819 [patent_no_of_claims] => 20 [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] => 15421103 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/421103
Ultrafiltration membranes and methods of making Jan 30, 2017 Issued
Array ( [id] => 15191825 [patent_doc_number] => 10493385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => J-hook filter assembly [patent_app_type] => utility [patent_app_number] => 15/402930 [patent_app_country] => US [patent_app_date] => 2017-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4502 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15402930 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/402930
J-hook filter assembly Jan 9, 2017 Issued
Array ( [id] => 11588578 [patent_doc_number] => 20170112989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'ENCLOSURE FOR A PORTABLE HEMODIALYSIS SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/399895 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 21213 [patent_no_of_claims] => 21 [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] => 15399895 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/399895
Enclosure for a portable hemodialysis system Jan 5, 2017 Issued
Array ( [id] => 11588579 [patent_doc_number] => 20170112990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'BALANCING DEVICE, DIALYSIS MACHINE, EXTRACORPOREAL CIRCULATION AND METHOD FOR BALANCING FLUIDS WITH A FLUID MEASURING CELL' [patent_app_type] => utility [patent_app_number] => 15/398963 [patent_app_country] => US [patent_app_date] => 2017-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6597 [patent_no_of_claims] => 15 [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] => 15398963 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/398963
BALANCING DEVICE, DIALYSIS MACHINE, EXTRACORPOREAL CIRCULATION AND METHOD FOR BALANCING FLUIDS WITH A FLUID MEASURING CELL Jan 4, 2017 Abandoned
Array ( [id] => 11715120 [patent_doc_number] => 20170183619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'Cell Separation Devices, Systems, and Methods' [patent_app_type] => utility [patent_app_number] => 15/393628 [patent_app_country] => US [patent_app_date] => 2016-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24538 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 7 [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] => 15393628 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/393628
Cell separation devices, systems, and methods Dec 28, 2016 Issued
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