
Keith Alan Christianson
Examiner (ID: 7113)
| Most Active Art Unit | 2813 |
| Art Unit(s) | 2813, 1104 |
| Total Applications | 377 |
| Issued Applications | 355 |
| Pending Applications | 11 |
| Abandoned Applications | 11 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20364586
[patent_doc_number] => 20250354398
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-11-20
[patent_title] => Apparatus for Removing a Layer of Sediment Which Has Settled on the Bottom of a Large Water Body
[patent_app_type] => utility
[patent_app_number] => 19/286396
[patent_app_country] => US
[patent_app_date] => 2025-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9386
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 229
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19286396
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/286396 | Apparatus for Removing a Layer of Sediment Which Has Settled on the Bottom of a Large Water Body | Jul 30, 2025 | Pending |
Array
(
[id] => 20047558
[patent_doc_number] => 20250185780
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-12
[patent_title] => CLEANING ASSEMBLY FOR HAIR CUTTING DEVICES
[patent_app_type] => utility
[patent_app_number] => 18/969557
[patent_app_country] => US
[patent_app_date] => 2024-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3702
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18969557
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/969557 | Cleaning assembly for hair cutting devices | Dec 4, 2024 | Issued |
Array
(
[id] => 20047558
[patent_doc_number] => 20250185780
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-12
[patent_title] => CLEANING ASSEMBLY FOR HAIR CUTTING DEVICES
[patent_app_type] => utility
[patent_app_number] => 18/969557
[patent_app_country] => US
[patent_app_date] => 2024-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3702
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18969557
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/969557 | Cleaning assembly for hair cutting devices | Dec 4, 2024 | Issued |
Array
(
[id] => 20047558
[patent_doc_number] => 20250185780
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-12
[patent_title] => CLEANING ASSEMBLY FOR HAIR CUTTING DEVICES
[patent_app_type] => utility
[patent_app_number] => 18/969557
[patent_app_country] => US
[patent_app_date] => 2024-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3702
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18969557
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/969557 | Cleaning assembly for hair cutting devices | Dec 4, 2024 | Issued |
Array
(
[id] => 19832872
[patent_doc_number] => 20250084658
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-13
[patent_title] => Apparatus for Removing a Layer of Sediment Which Has Settled on the Bottom of a Large Water Body
[patent_app_type] => utility
[patent_app_number] => 18/956492
[patent_app_country] => US
[patent_app_date] => 2024-11-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15018
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 214
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18956492
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/956492 | Apparatus for removing a layer of sediment which has settled on the bottom of a large water body | Nov 21, 2024 | Issued |
Array
(
[id] => 19801150
[patent_doc_number] => 20250067075
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-27
[patent_title] => MOVING APPARATUS, CLEANING DEVICE, AND CLEANING DEVICE CONTROL METHOD
[patent_app_type] => utility
[patent_app_number] => 18/946861
[patent_app_country] => US
[patent_app_date] => 2024-11-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 41620
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 234
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18946861
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/946861 | Moving apparatus, cleaning device, and cleaning device control method | Nov 12, 2024 | Issued |
Array
(
[id] => 20226571
[patent_doc_number] => 12415211
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-16
[patent_title] => Systems and methods for controlling algal growth inair conditioning systems
[patent_app_type] => utility
[patent_app_number] => 18/902860
[patent_app_country] => US
[patent_app_date] => 2024-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 9
[patent_no_of_words] => 0
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18902860
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/902860 | Systems and methods for controlling algal growth inair conditioning systems | Sep 29, 2024 | Issued |
Array
(
[id] => 19831859
[patent_doc_number] => 20250083645
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-13
[patent_title] => FLUIDIC DISTRIBUTION SYSTEM FOR CLEANING VEHICLE SURFACES
[patent_app_type] => utility
[patent_app_number] => 18/830732
[patent_app_country] => US
[patent_app_date] => 2024-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4049
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18830732
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/830732 | FLUIDIC DISTRIBUTION SYSTEM FOR CLEANING VEHICLE SURFACES | Sep 10, 2024 | Pending |
Array
(
[id] => 19831859
[patent_doc_number] => 20250083645
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-13
[patent_title] => FLUIDIC DISTRIBUTION SYSTEM FOR CLEANING VEHICLE SURFACES
[patent_app_type] => utility
[patent_app_number] => 18/830732
[patent_app_country] => US
[patent_app_date] => 2024-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4049
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18830732
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/830732 | FLUIDIC DISTRIBUTION SYSTEM FOR CLEANING VEHICLE SURFACES | Sep 10, 2024 | Pending |
Array
(
[id] => 20163400
[patent_doc_number] => 20250255446
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-08-14
[patent_title] => ROLLER BRUSH ASSEMBLY, CLEANING DEVICE, DETECTION METHOD, AND STORAGE MEDIUM
[patent_app_type] => utility
[patent_app_number] => 18/819796
[patent_app_country] => US
[patent_app_date] => 2024-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7036
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819796
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/819796 | ROLLER BRUSH ASSEMBLY, CLEANING DEVICE, DETECTION METHOD, AND STORAGE MEDIUM | Aug 28, 2024 | Pending |
Array
(
[id] => 19830362
[patent_doc_number] => 20250082148
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-13
[patent_title] => AGGLOMERATION UNIT, SUCTION DEVICE AND METHOD FOR AGGLOMERATING VACUUMED MATERIAL
[patent_app_type] => utility
[patent_app_number] => 18/814693
[patent_app_country] => US
[patent_app_date] => 2024-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5373
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 26
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814693
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/814693 | AGGLOMERATION UNIT, SUCTION DEVICE AND METHOD FOR AGGLOMERATING VACUUMED MATERIAL | Aug 25, 2024 | Pending |
Array
(
[id] => 19722257
[patent_doc_number] => 20250025008
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-23
[patent_title] => STATION DEVICE ON WHICH CLEANER IS DOCKED AND OPERATING METHOD OF STATION DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/778557
[patent_app_country] => US
[patent_app_date] => 2024-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 26479
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 132
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778557
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/778557 | STATION DEVICE ON WHICH CLEANER IS DOCKED AND OPERATING METHOD OF STATION DEVICE | Jul 18, 2024 | Pending |
Array
(
[id] => 19546355
[patent_doc_number] => 20240363391
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-31
[patent_title] => PROCESSING APPARATUS AND PROCESSING METHOD
[patent_app_type] => utility
[patent_app_number] => 18/770734
[patent_app_country] => US
[patent_app_date] => 2024-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9938
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[patent_words_short_claim] => 183
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770734
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/770734 | PROCESSING APPARATUS AND PROCESSING METHOD | Jul 11, 2024 | Pending |
Array
(
[id] => 19541280
[patent_doc_number] => 20240358316
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-31
[patent_title] => Oral Care System
[patent_app_type] => utility
[patent_app_number] => 18/764448
[patent_app_country] => US
[patent_app_date] => 2024-07-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 30107
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764448
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/764448 | Oral Care System | Jul 4, 2024 | Pending |
Array
(
[id] => 19542183
[patent_doc_number] => 20240359219
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-31
[patent_title] => METHOD FOR PROTECTING AN OPTICAL SENSOR OF A VEHICLE FROM ENVIRONMENTAL POLLUTANTS
[patent_app_type] => utility
[patent_app_number] => 18/763796
[patent_app_country] => US
[patent_app_date] => 2024-07-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5386
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -2
[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] => 18763796
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/763796 | METHOD FOR PROTECTING AN OPTICAL SENSOR OF A VEHICLE FROM ENVIRONMENTAL POLLUTANTS | Jul 2, 2024 | Pending |
Array
(
[id] => 19509868
[patent_doc_number] => 20240341554
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-17
[patent_title] => CLEANING SYSTEM AND METHOD FOR OPERATING A CLEANING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/755261
[patent_app_country] => US
[patent_app_date] => 2024-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8424
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -33
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18755261
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/755261 | CLEANING SYSTEM AND METHOD FOR OPERATING A CLEANING SYSTEM | Jun 25, 2024 | Pending |
Array
(
[id] => 19509868
[patent_doc_number] => 20240341554
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-17
[patent_title] => CLEANING SYSTEM AND METHOD FOR OPERATING A CLEANING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/755261
[patent_app_country] => US
[patent_app_date] => 2024-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8424
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -33
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18755261
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/755261 | CLEANING SYSTEM AND METHOD FOR OPERATING A CLEANING SYSTEM | Jun 25, 2024 | Pending |
Array
(
[id] => 20420001
[patent_doc_number] => 20250382086
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-12-18
[patent_title] => BAG FORMER WASHING SYSTEMS AND METHODS
[patent_app_type] => utility
[patent_app_number] => 18/744487
[patent_app_country] => US
[patent_app_date] => 2024-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2291
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 75
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744487
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/744487 | BAG FORMER WASHING SYSTEMS AND METHODS | Jun 13, 2024 | Pending |
Array
(
[id] => 19629176
[patent_doc_number] => 20240407625
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-12
[patent_title] => Device and Apparatus
[patent_app_type] => utility
[patent_app_number] => 18/739803
[patent_app_country] => US
[patent_app_date] => 2024-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 38071
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -24
[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] => 18739803
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/739803 | Device and Apparatus | Jun 10, 2024 | Pending |
Array
(
[id] => 19683430
[patent_doc_number] => 20250001975
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-02
[patent_title] => WIPING APPARATUS FOR CAMERA AND CONTROL METHOD THEREFOR
[patent_app_type] => utility
[patent_app_number] => 18/735019
[patent_app_country] => US
[patent_app_date] => 2024-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8201
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735019
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/735019 | WIPING APPARATUS FOR CAMERA AND CONTROL METHOD THEREFOR | Jun 4, 2024 | Pending |