Search

Frederick F. Krass

Supervisory Patent Examiner (ID: 1957, Phone: (571)272-0580 , Office: P/1612 )

Most Active Art Unit
1614
Art Unit(s)
1614, 1503, 1612, 2899, 1501
Total Applications
2178
Issued Applications
1357
Pending Applications
298
Abandoned Applications
523

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19632062 [patent_doc_number] => 20240410511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => System and Method for Inducing Vibration to Prevent or Reduce Obstruction Formation [patent_app_type] => utility [patent_app_number] => 18/614646 [patent_app_country] => US [patent_app_date] => 2024-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18614646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614646
System and Method for Inducing Vibration to Prevent or Reduce Obstruction Formation Mar 22, 2024 Pending
Array ( [id] => 20218924 [patent_doc_number] => 20250281855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => LIQUID FILTRATION CARTRIDGE AND A SYSTEM FOR LIQUIED FILTRATION [patent_app_type] => utility [patent_app_number] => 18/599185 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599185 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599185
LIQUID FILTRATION CARTRIDGE AND A SYSTEM FOR LIQUIED FILTRATION Mar 6, 2024 Pending
Array ( [id] => 19480100 [patent_doc_number] => 20240328142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => FLOW RESTRICTOR FOR A GREASE INTERCEPTOR [patent_app_type] => utility [patent_app_number] => 18/583055 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18583055 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583055
FLOW RESTRICTOR FOR A GREASE INTERCEPTOR Feb 20, 2024 Pending
Array ( [id] => 20137002 [patent_doc_number] => 20250244046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => AIR HANDLER CONDENSATION MAINTENANCE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/427528 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18427528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427528
AIR HANDLER CONDENSATION MAINTENANCE SYSTEM Jan 29, 2024 Pending
Array ( [id] => 18986895 [patent_doc_number] => 20240058864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => POWDER SATELLITE-REDUCTION APPARATUS AND METHOD FOR GAS ATOMIZATION PROCESS [patent_app_type] => utility [patent_app_number] => 18/465392 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17598 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465392 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465392
POWDER SATELLITE-REDUCTION APPARATUS AND METHOD FOR GAS ATOMIZATION PROCESS Sep 11, 2023 Pending
Array ( [id] => 18879609 [patent_doc_number] => 20240002978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHOD FOR RECOVERY OF METALS AND METAL ALLOYS FROM WASTE LITHIUM-ION BATTERIES [patent_app_type] => utility [patent_app_number] => 18/213340 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18213340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213340
METHOD FOR RECOVERY OF METALS AND METAL ALLOYS FROM WASTE LITHIUM-ION BATTERIES Jun 22, 2023 Pending
Array ( [id] => 18404970 [patent_doc_number] => 20230166321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => FORGING METHOD FOR HIGH-SILVER ALUMINUM ALLOY AND HIGH-SILVER ALUMINUM ALLOY FORGED PART [patent_app_type] => utility [patent_app_number] => 18/071886 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18071886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/071886
FORGING METHOD FOR HIGH-SILVER ALUMINUM ALLOY AND HIGH-SILVER ALUMINUM ALLOY FORGED PART Nov 29, 2022 Issued
Array ( [id] => 18003685 [patent_doc_number] => 20220362451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Apparatus And Method For Contacting Blood With Ozone [patent_app_type] => utility [patent_app_number] => 17/815549 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17815549 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815549
Apparatus And Method For Contacting Blood With Ozone Jul 26, 2022 Pending
Array ( [id] => 19511107 [patent_doc_number] => 20240342793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => ATOMIZED POWDER, THERMAL SPRAY COATING, HEARTH ROLL, AND METHOD FOR PRODUCING HEARTH ROLL [patent_app_type] => utility [patent_app_number] => 18/577825 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18577825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577825
ATOMIZED POWDER, THERMAL SPRAY COATING, HEARTH ROLL, AND METHOD FOR PRODUCING HEARTH ROLL Jul 14, 2022 Pending
Array ( [id] => 19402578 [patent_doc_number] => 20240286089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/572030 [patent_app_country] => US [patent_app_date] => 2022-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18572030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/572030
SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FOR MANUFACTURING SAME May 17, 2022 Pending
Array ( [id] => 17968146 [patent_doc_number] => 11485660 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-01 [patent_title] => System and method for desalination [patent_app_type] => utility [patent_app_number] => 17/724084 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 10128 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17724084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/724084
System and method for desalination Apr 18, 2022 Issued
Array ( [id] => 17743349 [patent_doc_number] => 11391408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Intelligent and durable buried drainage pipe and a method of separation and transmission [patent_app_type] => utility [patent_app_number] => 17/539044 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5204 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17539044 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/539044
Intelligent and durable buried drainage pipe and a method of separation and transmission Nov 29, 2021 Issued
Array ( [id] => 18878072 [patent_doc_number] => 20240001441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHOD FOR PRODUCING WATER-ATOMIZED METAL POWDER [patent_app_type] => utility [patent_app_number] => 18/034773 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18034773 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/034773
METHOD FOR PRODUCING WATER-ATOMIZED METAL POWDER Aug 25, 2021 Pending
Array ( [id] => 18510496 [patent_doc_number] => 20230226604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => ALLOY NANOPARTICLES, METHOD FOR FORMING THE ALLOY NANOPARTICLES, AND ALLOY NANOCATALYST COMPRISING THE ALLOY NANOPARTICLES [patent_app_type] => utility [patent_app_number] => 17/997879 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17997879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997879
ALLOY NANOPARTICLES, METHOD FOR FORMING THE ALLOY NANOPARTICLES, AND ALLOY NANOCATALYST COMPRISING THE ALLOY NANOPARTICLES May 6, 2021 Pending
Array ( [id] => 17393270 [patent_doc_number] => 11242267 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-08 [patent_title] => Fluid treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/232096 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2793 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17232096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/232096
Fluid treatment apparatus Apr 14, 2021 Issued
Array ( [id] => 17200221 [patent_doc_number] => 20210340316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => METHOD FOR SEPARATING PHA AND PHA PREPARED THEREFROM [patent_app_type] => utility [patent_app_number] => 17/137545 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17137545 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137545
Method for separating PHA and PHA prepared therefrom Dec 29, 2020 Issued
Array ( [id] => 16718964 [patent_doc_number] => 20210086111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => REGENERATIVE MEDIA FILTRATION [patent_app_type] => utility [patent_app_number] => 17/116498 [patent_app_country] => US [patent_app_date] => 2020-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10656 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17116498 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/116498
Regenerative media filtration Dec 8, 2020 Issued
Array ( [id] => 16688158 [patent_doc_number] => 20210070634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => MAGNETIZATION AND MANIPULATION OF HYDROPHOBIC ABSORBENTS [patent_app_type] => utility [patent_app_number] => 17/087125 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087125 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087125
MAGNETIZATION AND MANIPULATION OF HYDROPHOBIC ABSORBENTS Nov 1, 2020 Abandoned
Array ( [id] => 16557001 [patent_doc_number] => 20210002149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => Production of Highly Ionized Alkaline Water Using a Combination of Reducing Metals and Reductive Minerals [patent_app_type] => utility [patent_app_number] => 17/027074 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17027074 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027074
Production of Highly Ionized Alkaline Water Using a Combination of Reducing Metals and Reductive Minerals Sep 20, 2020 Abandoned
Array ( [id] => 16824720 [patent_doc_number] => 20210140013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => Method for recovering an acid or base [patent_app_type] => utility [patent_app_number] => 16/948465 [patent_app_country] => US [patent_app_date] => 2020-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16948465 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/948465
Method for recovering an acid or base Sep 18, 2020 Issued
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