Search

Van H. Nguyen

Examiner (ID: 494)

Most Active Art Unit
2199
Art Unit(s)
2194, 2126, 2199, 2151, 2196, 2755
Total Applications
1515
Issued Applications
1193
Pending Applications
179
Abandoned Applications
153

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18498560 [patent_doc_number] => 20230221268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => OBSERVATION DEVICE FOR OBSERVATION TARGET GAS, METHOD OF OBSERVING TARGET IONS, AND SAMPLE HOLDER [patent_app_type] => utility [patent_app_number] => 17/928991 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17928991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/928991
OBSERVATION DEVICE FOR OBSERVATION TARGET GAS, METHOD OF OBSERVING TARGET IONS, AND SAMPLE HOLDER Apr 27, 2021 Pending
Array ( [id] => 17158945 [patent_doc_number] => 20210319996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => DEVICE FOR OBTAINING THE MASS OF SINGLE NANOPARTICLES, VIRUSES AND PROTEINS IN SUSPENSION OR IN SOLUTION WITH HIGH-COLLECTION EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/227306 [patent_app_country] => US [patent_app_date] => 2021-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17227306 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/227306
DEVICE FOR OBTAINING THE MASS OF SINGLE NANOPARTICLES, VIRUSES AND PROTEINS IN SUSPENSION OR IN SOLUTION WITH HIGH-COLLECTION EFFICIENCY Apr 9, 2021 Abandoned
Array ( [id] => 18145222 [patent_doc_number] => 20230019077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => STATIC ELECTRICITY RECHARGING DEVICE FOR A USED MASK [patent_app_type] => utility [patent_app_number] => 17/642742 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17642742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642742
STATIC ELECTRICITY RECHARGING DEVICE FOR A USED MASK Apr 6, 2021 Abandoned
Array ( [id] => 18437348 [patent_doc_number] => 20230184643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHOD FOR MEASURING OR IDENTIFYING A COMPONENT OF INTEREST IN SPECIMENS [patent_app_type] => utility [patent_app_number] => 17/916499 [patent_app_country] => US [patent_app_date] => 2021-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17916499 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916499
METHOD FOR MEASURING OR IDENTIFYING A COMPONENT OF INTEREST IN SPECIMENS Apr 2, 2021 Pending
Array ( [id] => 19720264 [patent_doc_number] => 12205807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Multi-mode ionization apparatus and uses thereof [patent_app_type] => utility [patent_app_number] => 17/301385 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 22365 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17301385 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/301385
Multi-mode ionization apparatus and uses thereof Mar 30, 2021 Issued
Array ( [id] => 19625098 [patent_doc_number] => 12163919 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Laterally-extended trapped ion mobility spectrometer [patent_app_type] => utility [patent_app_number] => 17/208455 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 43 [patent_no_of_words] => 12212 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17208455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/208455
Laterally-extended trapped ion mobility spectrometer Mar 21, 2021 Issued
Array ( [id] => 18348435 [patent_doc_number] => 20230136546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => METHOD AND APPARATUS FOR SEPARATING IONS BY ION PEAK COMPRESSION OR EXPANSION [patent_app_type] => utility [patent_app_number] => 17/911923 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17911923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/911923
METHOD AND APPARATUS FOR SEPARATING IONS BY ION PEAK COMPRESSION OR EXPANSION Mar 17, 2021 Pending
Array ( [id] => 18729277 [patent_doc_number] => 20230343573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => MASS SPECTROMETER [patent_app_type] => utility [patent_app_number] => 18/007322 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007322 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007322
MASS SPECTROMETER Mar 17, 2021 Abandoned
Array ( [id] => 19093861 [patent_doc_number] => 11955326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Multi-device removal and installation tool [patent_app_type] => utility [patent_app_number] => 17/203521 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 8309 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203521 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203521
Multi-device removal and installation tool Mar 15, 2021 Issued
Array ( [id] => 17098122 [patent_doc_number] => 20210285913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => MULTI-GATE MULTI-FREQUENCY FILTER FOR ION MOBILITY ISOLATION [patent_app_type] => utility [patent_app_number] => 17/195075 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17195075 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195075
MULTI-GATE MULTI-FREQUENCY FILTER FOR ION MOBILITY ISOLATION Mar 7, 2021 Abandoned
Array ( [id] => 16904716 [patent_doc_number] => 20210183632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => MASS SPECTROMETRY OF SAMPLES INCLUDING COAXIAL DESORPTION/ABLATION AND IMAGE CAPTURE [patent_app_type] => utility [patent_app_number] => 17/186347 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19733 [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] => 17186347 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186347
MASS SPECTROMETRY OF SAMPLES INCLUDING COAXIAL DESORPTION/ABLATION AND IMAGE CAPTURE Feb 25, 2021 Pending
Array ( [id] => 20375199 [patent_doc_number] => 12482643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Electrospray ion source assembly [patent_app_type] => utility [patent_app_number] => 17/799216 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 29 [patent_no_of_words] => 7682 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799216
Electrospray ion source assembly Feb 11, 2021 Issued
Array ( [id] => 17025350 [patent_doc_number] => 20210249222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => APPARATUS AND METHOD FOR METAL CONTAMINATION CONTROL IN AN ION IMPLANTATION SYSTEM USING CHARGE STRIPPING MECHANISM [patent_app_type] => utility [patent_app_number] => 17/168897 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17168897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168897
Apparatus and method for metal contamination control in an ion implantation system using charge stripping mechanism Feb 4, 2021 Issued
Array ( [id] => 18629491 [patent_doc_number] => 20230288372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => Systems and Methods for Separating Compounds of Similar Mass by Differential Mobility Spectrometry [patent_app_type] => utility [patent_app_number] => 18/019546 [patent_app_country] => US [patent_app_date] => 2021-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18019546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019546
Systems and Methods for Separating Compounds of Similar Mass by Differential Mobility Spectrometry Feb 2, 2021 Pending
Array ( [id] => 20274807 [patent_doc_number] => 12444592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Sample quantitation using a miniature mass spectrometer [patent_app_type] => utility [patent_app_number] => 17/153156 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 67 [patent_no_of_words] => 8342 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17153156 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/153156
Sample quantitation using a miniature mass spectrometer Jan 19, 2021 Issued
Array ( [id] => 19720268 [patent_doc_number] => 12205811 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Sample supports for solid-substrate electrospray mass spectrometry [patent_app_type] => utility [patent_app_number] => 17/114312 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 10596 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17114312 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/114312
Sample supports for solid-substrate electrospray mass spectrometry Dec 6, 2020 Issued
Array ( [id] => 16723697 [patent_doc_number] => 20210090844 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => MULTI-COLUMN SCANNING ELECTRON MICROSCOPY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/099476 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17099476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/099476
MULTI-COLUMN SCANNING ELECTRON MICROSCOPY SYSTEM Nov 15, 2020 Pending
Array ( [id] => 17582729 [patent_doc_number] => 20220139584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => RADIATION SHIELDING DEVICES, SYSTEMS, AND METHODS [patent_app_type] => utility [patent_app_number] => 17/085594 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17085594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/085594
RADIATION SHIELDING DEVICES, SYSTEMS, AND METHODS Oct 29, 2020 Abandoned
Array ( [id] => 18039954 [patent_doc_number] => 20220384171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ION SOURCE [patent_app_type] => utility [patent_app_number] => 17/772886 [patent_app_country] => US [patent_app_date] => 2020-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772886 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772886
ION SOURCE Oct 22, 2020 Pending
17/065759 MICROFABRICATED ION TRAP WITH IMPROVED THERMAL CHARACTERISTICS Oct 7, 2020 Abandoned
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