
David J. Walczak
Examiner (ID: 16217, Phone: (571)272-4895 , Office: P/3754 )
| Most Active Art Unit | 3754 |
| Art Unit(s) | 2403, 3751, 2899, 3105, 3754, 2832 |
| Total Applications | 4701 |
| Issued Applications | 3668 |
| Pending Applications | 254 |
| Abandoned Applications | 823 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 16054311
[patent_doc_number] => 20200189010
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-06-18
[patent_title] => Method for Producing an Internal Combustion Engine
[patent_app_type] => utility
[patent_app_number] => 16/797213
[patent_app_country] => US
[patent_app_date] => 2020-02-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2764
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 32
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16797213
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/797213 | Method for producing an internal combustion engine | Feb 20, 2020 | Issued |
Array
(
[id] => 17300326
[patent_doc_number] => 20210396165
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-23
[patent_title] => BALANCER APPARATUS EQUIPPED WITH OIL PUMP
[patent_app_type] => utility
[patent_app_number] => 16/650192
[patent_app_country] => US
[patent_app_date] => 2020-02-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9510
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 357
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16650192
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/650192 | Balancer apparatus equipped with oil pump | Feb 20, 2020 | Issued |
Array
(
[id] => 16239093
[patent_doc_number] => 20200256327
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-08-13
[patent_title] => ELECTRIC FLUID PUMPING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 16/788050
[patent_app_country] => US
[patent_app_date] => 2020-02-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9488
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 58
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16788050
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/788050 | ELECTRIC FLUID PUMPING SYSTEM | Feb 10, 2020 | Abandoned |
Array
(
[id] => 17429236
[patent_doc_number] => 20220056945
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-02-24
[patent_title] => CONNECTING ROD AND PROCESS FOR ASSEMBLING
[patent_app_type] => utility
[patent_app_number] => 17/428108
[patent_app_country] => US
[patent_app_date] => 2020-02-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8745
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 17428108
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/428108 | CONNECTING ROD AND PROCESS FOR ASSEMBLING | Feb 6, 2020 | Abandoned |
Array
(
[id] => 17596220
[patent_doc_number] => 20220145794
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-05-12
[patent_title] => Coolant Circuit in a Vehicle
[patent_app_type] => utility
[patent_app_number] => 17/434930
[patent_app_country] => US
[patent_app_date] => 2020-02-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4386
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[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] => 17434930
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/434930 | Coolant circuit in a vehicle | Feb 4, 2020 | Issued |
Array
(
[id] => 16933153
[patent_doc_number] => 20210199042
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-07-01
[patent_title] => SYSTEMS AND METHODS FOR AUTOMOBILE RADIATOR COOLING CONTROL
[patent_app_type] => utility
[patent_app_number] => 16/730787
[patent_app_country] => US
[patent_app_date] => 2019-12-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11900
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 93
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16730787
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/730787 | Systems and methods for automobile radiator cooling control | Dec 29, 2019 | Issued |
Array
(
[id] => 17514195
[patent_doc_number] => 11293335
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-04-05
[patent_title] => Active draining of engine cooling system
[patent_app_type] => utility
[patent_app_number] => 16/720653
[patent_app_country] => US
[patent_app_date] => 2019-12-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 5688
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 162
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720653
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/720653 | Active draining of engine cooling system | Dec 18, 2019 | Issued |
Array
(
[id] => 16901624
[patent_doc_number] => 20210180540
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-17
[patent_title] => PISTON FOR INTERNAL COMBUSTION ENGINE HAVING VALVE POCKET STEP FOR SLOWING COMBUSTION GAS FLOW
[patent_app_type] => utility
[patent_app_number] => 16/717536
[patent_app_country] => US
[patent_app_date] => 2019-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5141
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 161
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717536
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/717536 | Piston for internal combustion engine having valve pocket step for slowing combustion gas flow | Dec 16, 2019 | Issued |
Array
(
[id] => 16901562
[patent_doc_number] => 20210180478
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-17
[patent_title] => ENGINE HEAD ASSEMBLY WITH VALVE SEAT INSERT WITH STIFFNESS RELIEF CUTOUT
[patent_app_type] => utility
[patent_app_number] => 16/713633
[patent_app_country] => US
[patent_app_date] => 2019-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3841
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16713633
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/713633 | Engine head assembly with valve seat insert with stiffness relief cutout | Dec 12, 2019 | Issued |
Array
(
[id] => 17286722
[patent_doc_number] => 11203261
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-12-21
[patent_title] => Systems and methods for controlling air induction to an engine of a vehicle
[patent_app_type] => utility
[patent_app_number] => 16/709793
[patent_app_country] => US
[patent_app_date] => 2019-12-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 15
[patent_no_of_words] => 20728
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16709793
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/709793 | Systems and methods for controlling air induction to an engine of a vehicle | Dec 9, 2019 | Issued |
Array
(
[id] => 17030302
[patent_doc_number] => 11092109
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-08-17
[patent_title] => Block insert and cylinder structure of vehicle engine including the same
[patent_app_type] => utility
[patent_app_number] => 16/688016
[patent_app_country] => US
[patent_app_date] => 2019-11-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 5516
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16688016
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/688016 | Block insert and cylinder structure of vehicle engine including the same | Nov 18, 2019 | Issued |
Array
(
[id] => 15528453
[patent_doc_number] => 20200056532
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-02-20
[patent_title] => ENGINE COOLING SYSTEM AND METHOD FOR A SPARK IGNITED ENGINE
[patent_app_type] => utility
[patent_app_number] => 16/665292
[patent_app_country] => US
[patent_app_date] => 2019-10-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2619
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[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] => 16665292
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/665292 | Engine cooling system and method for a spark ignited engine | Oct 27, 2019 | Issued |
Array
(
[id] => 16777359
[patent_doc_number] => 20210114436
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-04-22
[patent_title] => SYSTEM FOR MOUNTING AN AIR CONDITIONING COMPRESSOR FROM AN EARLIER MODEL VEHICLE TO A LATER MODEL ENGINE
[patent_app_type] => utility
[patent_app_number] => 16/657322
[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] => 2694
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 126
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16657322
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/657322 | SYSTEM FOR MOUNTING AN AIR CONDITIONING COMPRESSOR FROM AN EARLIER MODEL VEHICLE TO A LATER MODEL ENGINE | Oct 17, 2019 | Abandoned |
Array
(
[id] => 18233706
[patent_doc_number] => 11598257
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-03-07
[patent_title] => Hub-hub connection for a power unit
[patent_app_type] => utility
[patent_app_number] => 17/285541
[patent_app_country] => US
[patent_app_date] => 2019-10-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3786
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[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] => 17285541
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/285541 | Hub-hub connection for a power unit | Oct 8, 2019 | Issued |
Array
(
[id] => 17714019
[patent_doc_number] => 11378004
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-07-05
[patent_title] => Length-adjustable connecting rod with reduced-mass outlet valve
[patent_app_type] => utility
[patent_app_number] => 17/283235
[patent_app_country] => US
[patent_app_date] => 2019-10-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4519
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17283235
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/283235 | Length-adjustable connecting rod with reduced-mass outlet valve | Oct 7, 2019 | Issued |
Array
(
[id] => 15741787
[patent_doc_number] => 20200109781
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-04-09
[patent_title] => DETONATION RESISTANT PISTON
[patent_app_type] => utility
[patent_app_number] => 16/595977
[patent_app_country] => US
[patent_app_date] => 2019-10-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2502
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[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] => 16595977
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/595977 | DETONATION RESISTANT PISTON | Oct 7, 2019 | Abandoned |
Array
(
[id] => 16893842
[patent_doc_number] => 11035385
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-06-15
[patent_title] => Fan rotor with flow induced resonance control
[patent_app_type] => utility
[patent_app_number] => 16/591876
[patent_app_country] => US
[patent_app_date] => 2019-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3203
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 98
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16591876
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/591876 | Fan rotor with flow induced resonance control | Oct 2, 2019 | Issued |
Array
(
[id] => 17030265
[patent_doc_number] => 11092072
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-08-17
[patent_title] => Throttle replacing device
[patent_app_type] => utility
[patent_app_number] => 16/589772
[patent_app_country] => US
[patent_app_date] => 2019-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 2166
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 276
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16589772
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/589772 | Throttle replacing device | Sep 30, 2019 | Issued |
Array
(
[id] => 16832623
[patent_doc_number] => 11008864
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-05-18
[patent_title] => Engine with work stroke and gas exchange through piston rod
[patent_app_type] => utility
[patent_app_number] => 16/585914
[patent_app_country] => US
[patent_app_date] => 2019-09-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 35
[patent_no_of_words] => 16729
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16585914
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/585914 | Engine with work stroke and gas exchange through piston rod | Sep 26, 2019 | Issued |
Array
(
[id] => 17045467
[patent_doc_number] => 11098637
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-08-24
[patent_title] => Thermostat and coolant passage structure
[patent_app_type] => utility
[patent_app_number] => 16/580278
[patent_app_country] => US
[patent_app_date] => 2019-09-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 5965
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 202
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16580278
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/580278 | Thermostat and coolant passage structure | Sep 23, 2019 | Issued |