Search

Haidong Zhang

Examiner (ID: 2525, Phone: (571)270-5815 , Office: P/2858 )

Most Active Art Unit
2858
Art Unit(s)
2857, 2858
Total Applications
506
Issued Applications
390
Pending Applications
38
Abandoned Applications
86

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1444186 [patent_doc_number] => 06367890 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Method and apparatus for activating a pump of a braking system as a function of the pressure drop' [patent_app_type] => B1 [patent_app_number] => 09/339449 [patent_app_country] => US [patent_app_date] => 1999-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3796 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/367/06367890.pdf [firstpage_image] =>[orig_patent_app_number] => 09339449 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/339449
Method and apparatus for activating a pump of a braking system as a function of the pressure drop Jun 23, 1999 Issued
Array ( [id] => 4339275 [patent_doc_number] => 06253890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Air brakes for trucks' [patent_app_type] => 1 [patent_app_number] => 9/335147 [patent_app_country] => US [patent_app_date] => 1999-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 13802 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/253/06253890.pdf [firstpage_image] =>[orig_patent_app_number] => 335147 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/335147
Air brakes for trucks Jun 16, 1999 Issued
Array ( [id] => 4232102 [patent_doc_number] => 06202354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Ski slope obstacle injury protecting system' [patent_app_type] => 1 [patent_app_number] => 9/335170 [patent_app_country] => US [patent_app_date] => 1999-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2746 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/202/06202354.pdf [firstpage_image] =>[orig_patent_app_number] => 335170 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/335170
Ski slope obstacle injury protecting system Jun 16, 1999 Issued
Array ( [id] => 4248833 [patent_doc_number] => 06305510 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Disc brake system' [patent_app_type] => 1 [patent_app_number] => 9/319827 [patent_app_country] => US [patent_app_date] => 1999-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2313 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/305/06305510.pdf [firstpage_image] =>[orig_patent_app_number] => 319827 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/319827
Disc brake system Jun 10, 1999 Issued
Array ( [id] => 4243377 [patent_doc_number] => 06203116 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Method for operating an electromechanical brake system' [patent_app_type] => 1 [patent_app_number] => 9/335510 [patent_app_country] => US [patent_app_date] => 1999-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4290 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/203/06203116.pdf [firstpage_image] =>[orig_patent_app_number] => 335510 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/335510
Method for operating an electromechanical brake system Jun 9, 1999 Issued
Array ( [id] => 4390221 [patent_doc_number] => 06264009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Multi-stage wet disc brake' [patent_app_type] => 1 [patent_app_number] => 9/325273 [patent_app_country] => US [patent_app_date] => 1999-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2421 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/264/06264009.pdf [firstpage_image] =>[orig_patent_app_number] => 325273 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/325273
Multi-stage wet disc brake Jun 2, 1999 Issued
09/308777 MECHANICAL SYSTEM FOR CONTROLLING THE SPEED OF ELECTRIC LIFTS May 24, 1999 Abandoned
Array ( [id] => 4259214 [patent_doc_number] => 06280004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Brake control system for balanced braking of a towed vehicle' [patent_app_type] => 1 [patent_app_number] => 9/314613 [patent_app_country] => US [patent_app_date] => 1999-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3631 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/280/06280004.pdf [firstpage_image] =>[orig_patent_app_number] => 314613 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/314613
Brake control system for balanced braking of a towed vehicle May 18, 1999 Issued
Array ( [id] => 4391610 [patent_doc_number] => 06170922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Pressurized gas to release spring applied hydraulically released brakes' [patent_app_type] => 1 [patent_app_number] => 9/313853 [patent_app_country] => US [patent_app_date] => 1999-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1152 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/170/06170922.pdf [firstpage_image] =>[orig_patent_app_number] => 313853 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/313853
Pressurized gas to release spring applied hydraulically released brakes May 17, 1999 Issued
Array ( [id] => 4163048 [patent_doc_number] => 06148964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Front disk brake for a bicycle' [patent_app_type] => 1 [patent_app_number] => 9/309915 [patent_app_country] => US [patent_app_date] => 1999-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 1669 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 428 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/148/06148964.pdf [firstpage_image] =>[orig_patent_app_number] => 309915 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/309915
Front disk brake for a bicycle May 10, 1999 Issued
09/292790 TOWED VEHICLE BRAKE CONTROLLER Apr 13, 1999 Abandoned
Array ( [id] => 4339364 [patent_doc_number] => 06199843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Anti-friction helical spring assembly to prevent one end of a spring from rotating during expansion or compression of the spring' [patent_app_type] => 1 [patent_app_number] => 9/290313 [patent_app_country] => US [patent_app_date] => 1999-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1948 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/199/06199843.pdf [firstpage_image] =>[orig_patent_app_number] => 290313 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/290313
Anti-friction helical spring assembly to prevent one end of a spring from rotating during expansion or compression of the spring Apr 11, 1999 Issued
Array ( [id] => 4390191 [patent_doc_number] => 06264008 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Parallel-push brake mechanism for bicycles' [patent_app_type] => 1 [patent_app_number] => 9/289302 [patent_app_country] => US [patent_app_date] => 1999-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 3745 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/264/06264008.pdf [firstpage_image] =>[orig_patent_app_number] => 289302 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/289302
Parallel-push brake mechanism for bicycles Apr 8, 1999 Issued
Array ( [id] => 4248761 [patent_doc_number] => 06305506 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Braking system including motor-driven disc brake equipped with self-servo mechanism' [patent_app_type] => 1 [patent_app_number] => 9/284002 [patent_app_country] => US [patent_app_date] => 1999-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 73 [patent_no_of_words] => 59288 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/305/06305506.pdf [firstpage_image] =>[orig_patent_app_number] => 284002 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/284002
Braking system including motor-driven disc brake equipped with self-servo mechanism Apr 1, 1999 Issued
Array ( [id] => 4226835 [patent_doc_number] => 06220403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Eddy current braking system' [patent_app_type] => 1 [patent_app_number] => 9/283890 [patent_app_country] => US [patent_app_date] => 1999-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2612 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/220/06220403.pdf [firstpage_image] =>[orig_patent_app_number] => 283890 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/283890
Eddy current braking system Mar 31, 1999 Issued
Array ( [id] => 1562483 [patent_doc_number] => 06338399 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Energy absorption device for fall arrest systems' [patent_app_type] => B1 [patent_app_number] => 09/283698 [patent_app_country] => US [patent_app_date] => 1999-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4042 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/338/06338399.pdf [firstpage_image] =>[orig_patent_app_number] => 09283698 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/283698
Energy absorption device for fall arrest systems Mar 31, 1999 Issued
Array ( [id] => 1584442 [patent_doc_number] => 06481700 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-19 [patent_title] => 'Bicycle shock absorber with elastic members closely fitted between first and second rotating members' [patent_app_type] => B1 [patent_app_number] => 09/281622 [patent_app_country] => US [patent_app_date] => 1999-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5094 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/481/06481700.pdf [firstpage_image] =>[orig_patent_app_number] => 09281622 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/281622
Bicycle shock absorber with elastic members closely fitted between first and second rotating members Mar 29, 1999 Issued
Array ( [id] => 7076652 [patent_doc_number] => 20010040079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-15 [patent_title] => 'APPARATUS FOR REDUCING HARMONICS AND VIBRATIONS OF A ROTATING BASE PIECE' [patent_app_type] => new [patent_app_number] => 09/249514 [patent_app_country] => US [patent_app_date] => 1999-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2306 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0040/20010040079.pdf [firstpage_image] =>[orig_patent_app_number] => 09249514 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/249514
APPARATUS FOR REDUCING HARMONICS AND VIBRATIONS OF A ROTATING BASE PIECE Feb 11, 1999 Abandoned
Array ( [id] => 1435035 [patent_doc_number] => 06354675 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'ABS apparatus' [patent_app_type] => B1 [patent_app_number] => 09/214475 [patent_app_country] => US [patent_app_date] => 1999-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 24 [patent_no_of_words] => 20509 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/354/06354675.pdf [firstpage_image] =>[orig_patent_app_number] => 09214475 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/214475
ABS apparatus Jan 20, 1999 Issued
Array ( [id] => 1146625 [patent_doc_number] => 06763794 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-07-20 [patent_title] => 'Vibration sound reducing device, and process for assembling elastic membrane in vibration sound reducing device' [patent_app_type] => B1 [patent_app_number] => 09/190235 [patent_app_country] => US [patent_app_date] => 1998-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 26 [patent_no_of_words] => 20670 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/763/06763794.pdf [firstpage_image] =>[orig_patent_app_number] => 09190235 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/190235
Vibration sound reducing device, and process for assembling elastic membrane in vibration sound reducing device Nov 12, 1998 Issued
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