Search

Hung K Du

Examiner (ID: 6322, Phone: (571)270-1810 , Office: P/2645 )

Most Active Art Unit
2645
Art Unit(s)
2617, 2647, 2645
Total Applications
327
Issued Applications
159
Pending Applications
0
Abandoned Applications
168

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14328181 [patent_doc_number] => 10295099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Double cam levers and safety lock for cam lock fitting [patent_app_type] => utility [patent_app_number] => 16/041471 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 50 [patent_no_of_words] => 10843 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 479 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16041471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/041471
Double cam levers and safety lock for cam lock fitting Jul 19, 2018 Issued
Array ( [id] => 15326027 [patent_doc_number] => 20200003343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => HIGH PRESSURE COMPOSITE PIPE JOINING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/023371 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16023371 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023371
High pressure composite pipe joining system Jun 28, 2018 Issued
Array ( [id] => 16757451 [patent_doc_number] => 10975992 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-13 [patent_title] => Liquid manure hose coupler [patent_app_type] => utility [patent_app_number] => 16/024698 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4682 [patent_no_of_claims] => 10 [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] => 16024698 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/024698
Liquid manure hose coupler Jun 28, 2018 Issued
Array ( [id] => 13494341 [patent_doc_number] => 20180298713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => REMOTE CONNECTION TO WELLHEAD FOR MULTIPLE OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/015083 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 16015083 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/015083
REMOTE CONNECTION TO WELLHEAD FOR MULTIPLE OPERATIONS Jun 20, 2018 Abandoned
Array ( [id] => 13624107 [patent_doc_number] => 20180363605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => CONNECTOR FOR FLUID TRANSFER CIRCUITS AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 16/012343 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16012343 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/012343
CONNECTOR FOR FLUID TRANSFER CIRCUITS AND METHOD FOR MANUFACTURING THE SAME Jun 18, 2018 Abandoned
Array ( [id] => 18779853 [patent_doc_number] => 11821555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Hose ending, mainly as connecting element [patent_app_type] => utility [patent_app_number] => 16/619221 [patent_app_country] => US [patent_app_date] => 2018-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5659 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16619221 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/619221
Hose ending, mainly as connecting element Jun 8, 2018 Issued
Array ( [id] => 13446323 [patent_doc_number] => 20180274704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => APPARATUS FOR CONNECTION AND SEALING OF UTILITY CONNECTIONS [patent_app_type] => utility [patent_app_number] => 15/994545 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3501 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15994545 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/994545
Apparatus for connection and sealing of utility connections May 30, 2018 Issued
Array ( [id] => 14408875 [patent_doc_number] => 20190170281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => LOCKING SLEEVE APPARATUS [patent_app_type] => utility [patent_app_number] => 15/994767 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15994767 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/994767
LOCKING SLEEVE APPARATUS May 30, 2018 Abandoned
Array ( [id] => 15180075 [patent_doc_number] => 20190360629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => PRECONDITIONED AIR CONNECTOR ASSEMBLY FOR AIRCRAFT [patent_app_type] => utility [patent_app_number] => 15/987054 [patent_app_country] => US [patent_app_date] => 2018-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15987054 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/987054
Preconditioned air connector assembly for aircraft May 22, 2018 Issued
Array ( [id] => 13608941 [patent_doc_number] => 20180356020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => METHOD FOR CONNECTING A HOSE WITH A PIPE SOCKET BY A PRESSURE SLEEVE; PIPE SOCKET, PRESSURE SLEEVE AND COMBINATION OF THE TWO [patent_app_type] => utility [patent_app_number] => 15/983877 [patent_app_country] => US [patent_app_date] => 2018-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 15983877 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/983877
Method for connecting a hose with a pipe socket by a pressure sleeve; pipe socket, pressure sleeve and combination of the two May 17, 2018 Issued
Array ( [id] => 16500178 [patent_doc_number] => 10865556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-15 [patent_title] => Extender for vehicle sewer connection [patent_app_type] => utility [patent_app_number] => 15/984041 [patent_app_country] => US [patent_app_date] => 2018-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 4268 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15984041 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/984041
Extender for vehicle sewer connection May 17, 2018 Issued
Array ( [id] => 16871131 [patent_doc_number] => 20210164598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => A COVER [patent_app_type] => utility [patent_app_number] => 16/613550 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16613550 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/613550
Cover May 15, 2018 Issued
Array ( [id] => 13523337 [patent_doc_number] => 20180313211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => DOWNHOLE TELEMETRY SYSTEM AND METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 15/967826 [patent_app_country] => US [patent_app_date] => 2018-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15967826 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/967826
Downhole telemetry system and method therefor Apr 30, 2018 Issued
Array ( [id] => 14328179 [patent_doc_number] => 10295098 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Double cam levers and safety lock for cam lock fitting [patent_app_type] => utility [patent_app_number] => 15/964602 [patent_app_country] => US [patent_app_date] => 2018-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 40 [patent_no_of_words] => 9645 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15964602 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/964602
Double cam levers and safety lock for cam lock fitting Apr 26, 2018 Issued
Array ( [id] => 17666073 [patent_doc_number] => 11359758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Sectional-type high wear-resistant double-layer straight tube and a method for preparing the same [patent_app_type] => utility [patent_app_number] => 16/496093 [patent_app_country] => US [patent_app_date] => 2018-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6640 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16496093 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/496093
Sectional-type high wear-resistant double-layer straight tube and a method for preparing the same Apr 11, 2018 Issued
Array ( [id] => 16550489 [patent_doc_number] => 10883641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Quick disconnect coupling [patent_app_type] => utility [patent_app_number] => 15/941044 [patent_app_country] => US [patent_app_date] => 2018-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5387 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 583 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15941044 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/941044
Quick disconnect coupling Mar 29, 2018 Issued
Array ( [id] => 13464093 [patent_doc_number] => 20180283589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => MANUFACTURING METHOD FOR A FLUIDIC ARRANGEMENT AND RELATED FLUIDIC ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 15/940497 [patent_app_country] => US [patent_app_date] => 2018-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15940497 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/940497
Manufacturing method for a fluidic arrangement and related fluidic arrangement Mar 28, 2018 Issued
Array ( [id] => 14898895 [patent_doc_number] => 20190293213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => PIPE COUPLER HAVING AN INTEGRAL MOUNTING FLANGE [patent_app_type] => utility [patent_app_number] => 15/926297 [patent_app_country] => US [patent_app_date] => 2018-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15926297 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/926297
PIPE COUPLER HAVING AN INTEGRAL MOUNTING FLANGE Mar 19, 2018 Abandoned
Array ( [id] => 12919282 [patent_doc_number] => 20180198270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => Integrated Piping Conduit with Adaptor Device and Method [patent_app_type] => utility [patent_app_number] => 15/917099 [patent_app_country] => US [patent_app_date] => 2018-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15917099 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/917099
Integrated piping conduit with adaptor device and method Mar 8, 2018 Issued
Array ( [id] => 15295337 [patent_doc_number] => 20190390804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => AIR LOCK SYSTEM [patent_app_type] => utility [patent_app_number] => 16/481996 [patent_app_country] => US [patent_app_date] => 2018-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16481996 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/481996
Air lock system Feb 2, 2018 Issued
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