Search

Hoang C Dang

Examiner (ID: 4633)

Most Active Art Unit
3506
Art Unit(s)
2731, 3506, 3672, 3625
Total Applications
3000
Issued Applications
2548
Pending Applications
156
Abandoned Applications
295

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5855731 [patent_doc_number] => 20020121375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-05 [patent_title] => 'Apparatus and method for completing a junction of plural wellbores' [patent_app_type] => new [patent_app_number] => 10/053459 [patent_app_country] => US [patent_app_date] => 2002-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 6174 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0121/20020121375.pdf [firstpage_image] =>[orig_patent_app_number] => 10053459 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/053459
Apparatus and method for completing a junction of plural wellbores Jan 15, 2002 Issued
Array ( [id] => 7285745 [patent_doc_number] => 20040108143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-10 [patent_title] => 'Pile reamer with spoil container' [patent_app_type] => new [patent_app_number] => 10/467621 [patent_app_country] => US [patent_app_date] => 2004-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4146 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0108/20040108143.pdf [firstpage_image] =>[orig_patent_app_number] => 10467621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/467621
Pile reamer with spoil container Jan 13, 2002 Issued
Array ( [id] => 6853749 [patent_doc_number] => 20030127250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-10 [patent_title] => 'CONTINUOUS FEED DRILLING SYSTEM' [patent_app_type] => new [patent_app_number] => 10/043081 [patent_app_country] => US [patent_app_date] => 2002-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6560 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0127/20030127250.pdf [firstpage_image] =>[orig_patent_app_number] => 10043081 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/043081
Continuous feed drilling system Jan 6, 2002 Issued
Array ( [id] => 1270598 [patent_doc_number] => 06644421 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-11 [patent_title] => 'Sonde housing' [patent_app_type] => B1 [patent_app_number] => 10/035931 [patent_app_country] => US [patent_app_date] => 2001-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2417 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/644/06644421.pdf [firstpage_image] =>[orig_patent_app_number] => 10035931 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/035931
Sonde housing Dec 25, 2001 Issued
Array ( [id] => 6680459 [patent_doc_number] => 20030116323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-26 [patent_title] => 'System for, and a method of pumping fluids from a well' [patent_app_type] => new [patent_app_number] => 10/025451 [patent_app_country] => US [patent_app_date] => 2001-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1983 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20030116323.pdf [firstpage_image] =>[orig_patent_app_number] => 10025451 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/025451
System for, and a method of pumping fluids from a well Dec 25, 2001 Issued
Array ( [id] => 6299028 [patent_doc_number] => 20020092654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-18 [patent_title] => 'Expandable packer isolation system' [patent_app_type] => new [patent_app_number] => 10/026031 [patent_app_country] => US [patent_app_date] => 2001-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 7770 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20020092654.pdf [firstpage_image] =>[orig_patent_app_number] => 10026031 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/026031
Expandable packer isolation system Dec 18, 2001 Issued
Array ( [id] => 6694490 [patent_doc_number] => 20030106684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-12 [patent_title] => 'Remote sensor for determining proper placement of elvators slips' [patent_app_type] => new [patent_app_number] => 10/021391 [patent_app_country] => US [patent_app_date] => 2001-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4490 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0106/20030106684.pdf [firstpage_image] =>[orig_patent_app_number] => 10021391 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/021391
Remote sensor for determining proper placement of elevator slips Dec 11, 2001 Issued
Array ( [id] => 1352777 [patent_doc_number] => 06561286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-13 [patent_title] => 'Well bore reamer and method' [patent_app_type] => B2 [patent_app_number] => 10/006420 [patent_app_country] => US [patent_app_date] => 2001-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3043 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 444 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/561/06561286.pdf [firstpage_image] =>[orig_patent_app_number] => 10006420 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/006420
Well bore reamer and method Dec 5, 2001 Issued
Array ( [id] => 1200456 [patent_doc_number] => 06719058 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-13 [patent_title] => 'Multiple seal design for composite risers and tubing for offshore applications' [patent_app_type] => B2 [patent_app_number] => 10/010191 [patent_app_country] => US [patent_app_date] => 2001-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4347 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/719/06719058.pdf [firstpage_image] =>[orig_patent_app_number] => 10010191 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/010191
Multiple seal design for composite risers and tubing for offshore applications Dec 4, 2001 Issued
Array ( [id] => 1359641 [patent_doc_number] => 06554083 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-29 [patent_title] => 'Adjustable bent housing sub for a mud motor' [patent_app_type] => B1 [patent_app_number] => 10/006751 [patent_app_country] => US [patent_app_date] => 2001-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 1662 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/554/06554083.pdf [firstpage_image] =>[orig_patent_app_number] => 10006751 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/006751
Adjustable bent housing sub for a mud motor Dec 4, 2001 Issued
Array ( [id] => 1362551 [patent_doc_number] => 06550549 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-22 [patent_title] => 'Core break-off mechanism' [patent_app_type] => B2 [patent_app_number] => 09/938811 [patent_app_country] => US [patent_app_date] => 2001-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2296 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/550/06550549.pdf [firstpage_image] =>[orig_patent_app_number] => 09938811 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/938811
Core break-off mechanism Dec 3, 2001 Issued
Array ( [id] => 1202887 [patent_doc_number] => 06715559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-06 [patent_title] => 'Gripper assembly for downhole tractors' [patent_app_type] => B2 [patent_app_number] => 10/004963 [patent_app_country] => US [patent_app_date] => 2001-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 33 [patent_no_of_words] => 18027 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/715/06715559.pdf [firstpage_image] =>[orig_patent_app_number] => 10004963 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/004963
Gripper assembly for downhole tractors Dec 2, 2001 Issued
Array ( [id] => 6501994 [patent_doc_number] => 20020134588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-26 [patent_title] => 'Hardsurfacing/hardfacing pertaining primarly to the horizontal directional drilling (HDD) industry utilizing technogenia' [patent_app_type] => new [patent_app_number] => 10/011871 [patent_app_country] => US [patent_app_date] => 2001-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 807 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20020134588.pdf [firstpage_image] =>[orig_patent_app_number] => 10011871 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/011871
Hardsurfacing/hardfacing pertaining primarly to the horizontal directional drilling (HDD) industry utilizing technogenia Dec 2, 2001 Abandoned
Array ( [id] => 7202037 [patent_doc_number] => 20040069533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Pneumatic rock-boring device and method for starting such a device' [patent_app_type] => new [patent_app_number] => 10/433291 [patent_app_country] => US [patent_app_date] => 2003-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3304 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20040069533.pdf [firstpage_image] =>[orig_patent_app_number] => 10433291 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/433291
Pneumatic rock-boring device and method for starting such a device Nov 29, 2001 Issued
Array ( [id] => 1292266 [patent_doc_number] => 06622789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-23 [patent_title] => 'Downhole tubular patch, tubular expander and method' [patent_app_type] => B1 [patent_app_number] => 09/998810 [patent_app_country] => US [patent_app_date] => 2001-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5936 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/622/06622789.pdf [firstpage_image] =>[orig_patent_app_number] => 09998810 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/998810
Downhole tubular patch, tubular expander and method Nov 29, 2001 Issued
Array ( [id] => 1276701 [patent_doc_number] => 06637516 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-28 [patent_title] => 'High torque and high capacity rotatable center core and floatable sealed body assemblies with universal RAM applications and method' [patent_app_type] => B1 [patent_app_number] => 09/994161 [patent_app_country] => US [patent_app_date] => 2001-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5147 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/637/06637516.pdf [firstpage_image] =>[orig_patent_app_number] => 09994161 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/994161
High torque and high capacity rotatable center core and floatable sealed body assemblies with universal RAM applications and method Nov 25, 2001 Issued
Array ( [id] => 7187118 [patent_doc_number] => 20040084221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-06 [patent_title] => 'Drilling head' [patent_app_type] => new [patent_app_number] => 10/432311 [patent_app_country] => US [patent_app_date] => 2003-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1734 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0084/20040084221.pdf [firstpage_image] =>[orig_patent_app_number] => 10432311 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/432311
Drilling head Nov 21, 2001 Issued
Array ( [id] => 6799118 [patent_doc_number] => 20030094282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-22 [patent_title] => 'Downhole measurement apparatus and technique' [patent_app_type] => new [patent_app_number] => 09/992681 [patent_app_country] => US [patent_app_date] => 2001-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7788 [patent_no_of_claims] => 81 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0094/20030094282.pdf [firstpage_image] =>[orig_patent_app_number] => 09992681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/992681
Downhole measurement apparatus and technique Nov 18, 2001 Issued
Array ( [id] => 1325323 [patent_doc_number] => 06591912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-15 [patent_title] => 'Full bore automatic gun release module' [patent_app_type] => B2 [patent_app_number] => 10/002791 [patent_app_country] => US [patent_app_date] => 2001-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3887 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/591/06591912.pdf [firstpage_image] =>[orig_patent_app_number] => 10002791 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/002791
Full bore automatic gun release module Nov 14, 2001 Issued
Array ( [id] => 5932643 [patent_doc_number] => 20020060072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-23 [patent_title] => 'Process for Continuously perforating in oil wells and apparatus used for the same' [patent_app_type] => new [patent_app_number] => 10/002561 [patent_app_country] => US [patent_app_date] => 2001-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2242 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20020060072.pdf [firstpage_image] =>[orig_patent_app_number] => 10002561 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/002561
Apparatus for continuously perforating in oil wells Nov 14, 2001 Issued
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