Search

Rick Kiltae Chang

Examiner (ID: 7412, Phone: (571)272-4564 , Office: P/3726 )

Most Active Art Unit
3726
Art Unit(s)
3729, 3726
Total Applications
1907
Issued Applications
1423
Pending Applications
31
Abandoned Applications
456

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17337842 [patent_doc_number] => 20220004173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => Metal Additive Manufacturing Qualification Test Artifact [patent_app_type] => utility [patent_app_number] => 17/305290 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17305290 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/305290
Metal additive manufacturing qualification test artifact Jul 1, 2021 Issued
Array ( [id] => 18094003 [patent_doc_number] => 20220412344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => ADDITIVELY MANUFACTURED FLUID PUMPS AND PORTIONS THEREOF [patent_app_type] => utility [patent_app_number] => 17/359444 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17359444 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/359444
Additively manufactured fluid pumps and portions thereof Jun 24, 2021 Issued
Array ( [id] => 18078522 [patent_doc_number] => 20220404134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => DETERMINING PART STRESS WITH IN SITU SENSORS [patent_app_type] => utility [patent_app_number] => 17/354709 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/354709
Determining part stress with in situ sensors Jun 21, 2021 Issued
Array ( [id] => 19424444 [patent_doc_number] => 12083838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Additively manufactured tow hook [patent_app_type] => utility [patent_app_number] => 17/350323 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 4009 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17350323 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/350323
Additively manufactured tow hook Jun 16, 2021 Issued
Array ( [id] => 17291373 [patent_doc_number] => 20210387212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => Cross Jet Cleaning Nozzle, Produced By Additive Manufacturing [patent_app_type] => utility [patent_app_number] => 17/333447 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333447 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333447
Cross Jet Cleaning Nozzle, Produced By Additive Manufacturing May 27, 2021 Pending
Array ( [id] => 17227667 [patent_doc_number] => 20210354223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => METHOD FOR MANUFACTURING A HEAT EXCHANGER COMPRISING A TEMPERATURE PROBE [patent_app_type] => utility [patent_app_number] => 17/320747 [patent_app_country] => US [patent_app_date] => 2021-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17320747 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/320747
METHOD FOR MANUFACTURING A HEAT EXCHANGER COMPRISING A TEMPERATURE PROBE May 13, 2021 Abandoned
Array ( [id] => 19520246 [patent_doc_number] => 12121948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Descaling cell component and method [patent_app_type] => utility [patent_app_number] => 17/316884 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 7328 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 722 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17316884 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/316884
Descaling cell component and method May 10, 2021 Issued
Array ( [id] => 18503830 [patent_doc_number] => 11701625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Multiple-Venturi nozzle, system, method of manufacture and method of use [patent_app_type] => utility [patent_app_number] => 17/308742 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 3718 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17308742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308742
Multiple-Venturi nozzle, system, method of manufacture and method of use May 4, 2021 Issued
Array ( [id] => 17843200 [patent_doc_number] => 11432538 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-06 [patent_title] => Blood-feeding systems and methods for hematophagous arthropods [patent_app_type] => utility [patent_app_number] => 17/308382 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6952 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17308382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308382
Blood-feeding systems and methods for hematophagous arthropods May 4, 2021 Issued
Array ( [id] => 18203353 [patent_doc_number] => 11585742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Three-dimensional-printed vessel for wettability assessment of fracturing proppants [patent_app_type] => utility [patent_app_number] => 17/306360 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 9045 [patent_no_of_claims] => 15 [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] => 17306360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/306360
Three-dimensional-printed vessel for wettability assessment of fracturing proppants May 2, 2021 Issued
Array ( [id] => 17198397 [patent_doc_number] => 20210338491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => 3D PRINTED NASAL PHARYNGEAL AND ORAL SWABS [patent_app_type] => utility [patent_app_number] => 17/246296 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17246296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246296
3D printed nasal pharyngeal and oral swabs Apr 29, 2021 Issued
Array ( [id] => 17184176 [patent_doc_number] => 20210331061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => FRAME [patent_app_type] => utility [patent_app_number] => 17/243039 [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] => 4372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17243039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/243039
Method of manufacturing a frame for an ice skate boot Apr 27, 2021 Issued
Array ( [id] => 17185429 [patent_doc_number] => 20210332314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => GUT BIOREACTOR AND METHODS FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 17/238833 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17238833 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238833
Gut bioreactor and methods for making the same Apr 22, 2021 Issued
Array ( [id] => 18637128 [patent_doc_number] => 11761717 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Heat exchanger header fabricated with integral flange using additive metal process [patent_app_type] => utility [patent_app_number] => 17/236735 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3676 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17236735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/236735
Heat exchanger header fabricated with integral flange using additive metal process Apr 20, 2021 Issued
Array ( [id] => 17946489 [patent_doc_number] => 20220333506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => BEARING PIN WITH LUBRICATION CHANNEL [patent_app_type] => utility [patent_app_number] => 17/234515 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17234515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/234515
Method of manufacturing a bearing pin with an external lubrication channel Apr 18, 2021 Issued
Array ( [id] => 17169587 [patent_doc_number] => 20210323257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => PLASTIC STRUCTURES FOR OBFUSCATION OF SONAR SIGNATURE RETURNS AND RELATED TECHNIQUES [patent_app_type] => utility [patent_app_number] => 17/218835 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17218835 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/218835
PLASTIC STRUCTURES FOR OBFUSCATION OF SONAR SIGNATURE RETURNS AND RELATED TECHNIQUES Mar 30, 2021 Abandoned
Array ( [id] => 17125793 [patent_doc_number] => 20210300561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => SECURE ENCLOSURE FOR AN ELECTRONIC INFORMATION, ENTERTAINMENT, AND TRANSACTION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/215464 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17215464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215464
Secure enclosure for an electronic information, entertainment, and transaction system Mar 28, 2021 Issued
Array ( [id] => 17895968 [patent_doc_number] => 20220305630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => BOLT CLAMPING FORCE TRANSDUCER FOR BOLT TIGHTENING OPERATION [patent_app_type] => utility [patent_app_number] => 17/209266 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 563 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209266
Bolt clamping force transducer for bolt tightening operation Mar 22, 2021 Issued
Array ( [id] => 18560129 [patent_doc_number] => 11725365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Handling system for ground-engaging wear parts secured to earth working equipment [patent_app_type] => utility [patent_app_number] => 17/204849 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 31 [patent_no_of_words] => 14771 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204849
Handling system for ground-engaging wear parts secured to earth working equipment Mar 16, 2021 Issued
Array ( [id] => 18478914 [patent_doc_number] => 11692647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Automatic tie-rod apparatus [patent_app_type] => utility [patent_app_number] => 17/198654 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3295 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17198654 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/198654
Automatic tie-rod apparatus Mar 10, 2021 Issued
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