
Tuan N Nguyen
Examiner (ID: 4518, Phone: (571)272-4892 , Office: P/3754 )
| Most Active Art Unit | 2828 |
| Art Unit(s) | 3101, 2828, 3751, 3653, 3615, 3651, 3754, 2899 |
| Total Applications | 4762 |
| Issued Applications | 3630 |
| Pending Applications | 272 |
| Abandoned Applications | 892 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18406473
[patent_doc_number] => 20230167824
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-01
[patent_title] => PUMP SPEED CONTROLLING METHOD AND APPARATUS, A COMPUTER PROGRAM AND A COMPUTER READABLE MEDIUM HAVING STORED THEREON THE COMPUTER PROGRAM APPLIED THEREBY AND A PUMP
[patent_app_type] => utility
[patent_app_number] => 17/905998
[patent_app_country] => US
[patent_app_date] => 2021-03-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7894
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[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] => 17905998
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/905998 | Pump speed controlling method and apparatus, a computer program and a computer readable medium having stored thereon the computer program applied thereby and a pump | Mar 8, 2021 | Issued |
Array
(
[id] => 17336904
[patent_doc_number] => 20220003235
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-01-06
[patent_title] => ROTARY COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 17/181076
[patent_app_country] => US
[patent_app_date] => 2021-02-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11002
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17181076
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/181076 | Rotary compressor | Feb 21, 2021 | Issued |
Array
(
[id] => 18188050
[patent_doc_number] => 11578622
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-02-14
[patent_title] => Use of external air for closed cycle inventory control
[patent_app_type] => utility
[patent_app_number] => 17/164286
[patent_app_country] => US
[patent_app_date] => 2021-02-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 30
[patent_figures_cnt] => 33
[patent_no_of_words] => 34165
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164286
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/164286 | Use of external air for closed cycle inventory control | Jan 31, 2021 | Issued |
Array
(
[id] => 16840348
[patent_doc_number] => 20210148360
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-05-20
[patent_title] => Oil-Free Scroll Air Compressor with Double Parallel Grooves on Both Sides
[patent_app_type] => utility
[patent_app_number] => 17/160348
[patent_app_country] => US
[patent_app_date] => 2021-01-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5557
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 727
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17160348
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/160348 | Oil-free scroll air compressor with double parallel grooves on both sides | Jan 26, 2021 | Issued |
Array
(
[id] => 17275310
[patent_doc_number] => 20210381508
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-09
[patent_title] => SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE
[patent_app_type] => utility
[patent_app_number] => 17/159308
[patent_app_country] => US
[patent_app_date] => 2021-01-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11916
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 222
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159308
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/159308 | Scroll compressor and refrigeration cycle device | Jan 26, 2021 | Issued |
Array
(
[id] => 18643784
[patent_doc_number] => 11767846
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-09-26
[patent_title] => Compressor having seal assembly
[patent_app_type] => utility
[patent_app_number] => 17/154716
[patent_app_country] => US
[patent_app_date] => 2021-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 5826
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 254
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17154716
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/154716 | Compressor having seal assembly | Jan 20, 2021 | Issued |
Array
(
[id] => 17721095
[patent_doc_number] => 20220213815
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-07-07
[patent_title] => SYSTEM AND METHOD FOR IMPROVING STARTUP TIME IN A FOSSIL-FUELED POWER GENERATION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 17/143325
[patent_app_country] => US
[patent_app_date] => 2021-01-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11119
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 204
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17143325
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/143325 | System and method for improving startup time in a fossil-fueled power generation system | Jan 6, 2021 | Issued |
Array
(
[id] => 18972746
[patent_doc_number] => 20240052838
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-15
[patent_title] => A COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 18/257741
[patent_app_country] => US
[patent_app_date] => 2021-01-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3691
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18257741
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/257741 | Compressor | Jan 3, 2021 | Issued |
Array
(
[id] => 18225003
[patent_doc_number] => 20230063997
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-02
[patent_title] => REFUELING SCREW COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 17/797145
[patent_app_country] => US
[patent_app_date] => 2020-12-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5907
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 292
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797145
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/797145 | Refueling screw compressor | Dec 28, 2020 | Issued |
Array
(
[id] => 16778737
[patent_doc_number] => 20210115815
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-04-22
[patent_title] => TESLA-TYPE TURBINE, METHOD FOR OPERATING A TESLA-TYPE TURBINE, APPARATUS FOR CONVERTING THERMAL ENERGY INTO MECHANICAL ENERGY, METHOD FOR CONVERTING THERMAL ENERGY INTO MECHANICAL ENERGY AND METHOD FOR CONVERTING THERMAL ENERGY INTO ELECTRICAL ENERGY
[patent_app_type] => utility
[patent_app_number] => 17/137182
[patent_app_country] => US
[patent_app_date] => 2020-12-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16647
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[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] => 17137182
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/137182 | Tesla-type turbine, method for operating a Tesla-type turbine, apparatus for converting thermal energy into mechanical energy, method for converting thermal energy into mechanical energy and method for converting thermal energy into electrical energy | Dec 28, 2020 | Issued |
Array
(
[id] => 17688588
[patent_doc_number] => 20220195880
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-06-23
[patent_title] => COMBINATION SEAL FOR A SUPERCRITICAL CARBON DIOXIDE TURBO GENERATOR
[patent_app_type] => utility
[patent_app_number] => 17/130957
[patent_app_country] => US
[patent_app_date] => 2020-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2500
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 43
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17130957
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/130957 | Combination seal for a supercritical carbon dioxide turbo generator | Dec 21, 2020 | Issued |
Array
(
[id] => 18526708
[patent_doc_number] => 11713697
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-08-01
[patent_title] => Energy-recovery turbines for gas streams
[patent_app_type] => utility
[patent_app_number] => 17/124016
[patent_app_country] => US
[patent_app_date] => 2020-12-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 7455
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 125
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17124016
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/124016 | Energy-recovery turbines for gas streams | Dec 15, 2020 | Issued |
Array
(
[id] => 16763031
[patent_doc_number] => 20210108612
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-04-15
[patent_title] => RENEWABLE ENERGY CONVERSION APPARATUS
[patent_app_type] => utility
[patent_app_number] => 17/107347
[patent_app_country] => US
[patent_app_date] => 2020-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10335
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -24
[patent_words_short_claim] => 153
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17107347
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/107347 | RENEWABLE ENERGY CONVERSION APPARATUS | Nov 29, 2020 | Abandoned |
Array
(
[id] => 17097654
[patent_doc_number] => 20210285445
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-09-16
[patent_title] => VAPOR INJECTION DOUBLE REED VALVE PLATE
[patent_app_type] => utility
[patent_app_number] => 17/101756
[patent_app_country] => US
[patent_app_date] => 2020-11-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11646
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 108
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101756
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/101756 | Vapor injection double reed valve plate | Nov 22, 2020 | Issued |
Array
(
[id] => 19013629
[patent_doc_number] => 11920550
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-03-05
[patent_title] => Solution mined cavity system
[patent_app_type] => utility
[patent_app_number] => 17/770618
[patent_app_country] => US
[patent_app_date] => 2020-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 13
[patent_no_of_words] => 4501
[patent_no_of_claims] => 8
[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] => 17770618
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/770618 | Solution mined cavity system | Nov 8, 2020 | Issued |
Array
(
[id] => 17998452
[patent_doc_number] => 11499553
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-11-15
[patent_title] => Scroll compressor including a crankpin having an upper recess
[patent_app_type] => utility
[patent_app_number] => 17/087954
[patent_app_country] => US
[patent_app_date] => 2020-11-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 3404
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087954
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/087954 | Scroll compressor including a crankpin having an upper recess | Nov 2, 2020 | Issued |
Array
(
[id] => 16673993
[patent_doc_number] => 20210062756
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-03-04
[patent_title] => MONOLITHIC HEAT-EXCHANGER BODIES
[patent_app_type] => utility
[patent_app_number] => 17/086868
[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] => 36160
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17086868
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/086868 | Monolithic heat-exchanger bodies | Nov 1, 2020 | Issued |
Array
(
[id] => 18078147
[patent_doc_number] => 20220403759
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-12-22
[patent_title] => METHODS AND SYSTEMS FOR STARTING AND STOPPING A CLOSED-CYCLE TURBOMACHINE
[patent_app_type] => utility
[patent_app_number] => 17/772208
[patent_app_country] => US
[patent_app_date] => 2020-10-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8392
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -25
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772208
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/772208 | Methods and systems for starting and stopping a closed-cycle turbomachine | Oct 27, 2020 | Issued |
Array
(
[id] => 17989883
[patent_doc_number] => 20220355920
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-11-10
[patent_title] => TENSION TORSION STRAP WITH ARCHED WINDING PATTERN
[patent_app_type] => utility
[patent_app_number] => 17/765123
[patent_app_country] => US
[patent_app_date] => 2020-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5694
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[patent_words_short_claim] => 202
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17765123
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/765123 | TENSION TORSION STRAP WITH ARCHED WINDING PATTERN | Oct 20, 2020 | Abandoned |
Array
(
[id] => 16750527
[patent_doc_number] => 20210102536
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-04-08
[patent_title] => VACUUM PUMP, SCROLL PUMP, AND MANUFACTURING METHOD FOR SUCH
[patent_app_type] => utility
[patent_app_number] => 17/063912
[patent_app_country] => US
[patent_app_date] => 2020-10-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10103
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 18
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063912
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/063912 | Vacuum pump, scroll pump, and manufacturing method for such | Oct 5, 2020 | Issued |