Search

Herbert K. Roberts

Examiner (ID: 3056, Phone: (571)270-0428 , Office: P/2855 )

Most Active Art Unit
2855
Art Unit(s)
2855, 2856
Total Applications
656
Issued Applications
449
Pending Applications
76
Abandoned Applications
161

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2813465 [patent_doc_number] => 05169296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-08 [patent_title] => 'Air driven double diaphragm pump' [patent_app_type] => 1 [patent_app_number] => 7/321889 [patent_app_country] => US [patent_app_date] => 1989-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2215 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/169/05169296.pdf [firstpage_image] =>[orig_patent_app_number] => 321889 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/321889
Air driven double diaphragm pump Mar 9, 1989 Issued
Array ( [id] => 2847739 [patent_doc_number] => 05083905 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-28 [patent_title] => 'Linear motor powered pump unit' [patent_app_type] => 1 [patent_app_number] => 7/319148 [patent_app_country] => US [patent_app_date] => 1989-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3082 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/083/05083905.pdf [firstpage_image] =>[orig_patent_app_number] => 319148 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/319148
Linear motor powered pump unit Mar 7, 1989 Issued
Array ( [id] => 2700645 [patent_doc_number] => 05017103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Centrifugal blood pump and magnetic coupling' [patent_app_type] => 1 [patent_app_number] => 7/320212 [patent_app_country] => US [patent_app_date] => 1989-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2924 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/017/05017103.pdf [firstpage_image] =>[orig_patent_app_number] => 320212 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/320212
Centrifugal blood pump and magnetic coupling Mar 5, 1989 Issued
Array ( [id] => 2592951 [patent_doc_number] => 04931000 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Double acting diaphragm air pump' [patent_app_type] => 1 [patent_app_number] => 7/318019 [patent_app_country] => US [patent_app_date] => 1989-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1518 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/931/04931000.pdf [firstpage_image] =>[orig_patent_app_number] => 318019 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/318019
Double acting diaphragm air pump Mar 1, 1989 Issued
Array ( [id] => 2582435 [patent_doc_number] => 04917579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Transporter pump' [patent_app_type] => 1 [patent_app_number] => 7/319081 [patent_app_country] => US [patent_app_date] => 1989-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1882 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/917/04917579.pdf [firstpage_image] =>[orig_patent_app_number] => 319081 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/319081
Transporter pump Feb 27, 1989 Issued
Array ( [id] => 2632724 [patent_doc_number] => 04938663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-03 [patent_title] => 'Air compressor malfunction detector' [patent_app_type] => 1 [patent_app_number] => 7/312055 [patent_app_country] => US [patent_app_date] => 1989-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4627 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/938/04938663.pdf [firstpage_image] =>[orig_patent_app_number] => 312055 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/312055
Air compressor malfunction detector Feb 16, 1989 Issued
Array ( [id] => 2670110 [patent_doc_number] => 05044888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Variable speed pump control for maintaining fluid level below full barrel level' [patent_app_type] => 1 [patent_app_number] => 7/309702 [patent_app_country] => US [patent_app_date] => 1989-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4654 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/044/05044888.pdf [firstpage_image] =>[orig_patent_app_number] => 309702 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/309702
Variable speed pump control for maintaining fluid level below full barrel level Feb 9, 1989 Issued
Array ( [id] => 2610085 [patent_doc_number] => 04943210 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Pump control system, level sensor switch and switch housing' [patent_app_type] => 1 [patent_app_number] => 7/308934 [patent_app_country] => US [patent_app_date] => 1989-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4958 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943210.pdf [firstpage_image] =>[orig_patent_app_number] => 308934 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/308934
Pump control system, level sensor switch and switch housing Feb 6, 1989 Issued
Array ( [id] => 2748174 [patent_doc_number] => 05042969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Pump or a control valve for molten metal' [patent_app_type] => 1 [patent_app_number] => 7/297243 [patent_app_country] => US [patent_app_date] => 1989-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1712 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042969.pdf [firstpage_image] =>[orig_patent_app_number] => 297243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/297243
Pump or a control valve for molten metal Feb 1, 1989 Issued
07/304592 ROTARY PUMP HAVING AN ENCAPSULATED MOTOR Jan 31, 1989 Abandoned
Array ( [id] => 2592788 [patent_doc_number] => 04930991 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Piston pump for high performance liquid chromatography' [patent_app_type] => 1 [patent_app_number] => 7/304066 [patent_app_country] => US [patent_app_date] => 1989-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3381 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/930/04930991.pdf [firstpage_image] =>[orig_patent_app_number] => 304066 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/304066
Piston pump for high performance liquid chromatography Jan 29, 1989 Issued
07/299467 PUMP FLUID END Jan 22, 1989 Abandoned
07/294791 COMPRESSING APPARATUS WITH EXTENDED VARIABLE CAPACITY RANGE AND CAPACITY CONTROL METHOD THEREOF Jan 8, 1989 Abandoned
Array ( [id] => 2613843 [patent_doc_number] => 04955795 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Scroll apparatus control' [patent_app_type] => 1 [patent_app_number] => 7/287912 [patent_app_country] => US [patent_app_date] => 1988-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1541 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/955/04955795.pdf [firstpage_image] =>[orig_patent_app_number] => 287912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/287912
Scroll apparatus control Dec 20, 1988 Issued
Array ( [id] => 2685599 [patent_doc_number] => 04990059 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Method for filtering liquid-phase metals' [patent_app_type] => 1 [patent_app_number] => 7/286157 [patent_app_country] => US [patent_app_date] => 1988-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2737 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990059.pdf [firstpage_image] =>[orig_patent_app_number] => 286157 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286157
Method for filtering liquid-phase metals Dec 18, 1988 Issued
Array ( [id] => 2757120 [patent_doc_number] => 05006045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Scroll compressor with reverse rotation speed limiter' [patent_app_type] => 1 [patent_app_number] => 7/286365 [patent_app_country] => US [patent_app_date] => 1988-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 6398 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/006/05006045.pdf [firstpage_image] =>[orig_patent_app_number] => 286365 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286365
Scroll compressor with reverse rotation speed limiter Dec 15, 1988 Issued
Array ( [id] => 2662303 [patent_doc_number] => 05026256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Variable speed pumping-up system' [patent_app_type] => 1 [patent_app_number] => 7/285753 [patent_app_country] => US [patent_app_date] => 1988-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 25 [patent_no_of_words] => 5402 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/026/05026256.pdf [firstpage_image] =>[orig_patent_app_number] => 285753 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/285753
Variable speed pumping-up system Dec 15, 1988 Issued
Array ( [id] => 2613743 [patent_doc_number] => 04955790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Current limiting circuit for fuel pump motor' [patent_app_type] => 1 [patent_app_number] => 7/284408 [patent_app_country] => US [patent_app_date] => 1988-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2836 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/955/04955790.pdf [firstpage_image] =>[orig_patent_app_number] => 284408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/284408
Current limiting circuit for fuel pump motor Dec 13, 1988 Issued
Array ( [id] => 2471266 [patent_doc_number] => 04881873 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-21 [patent_title] => 'Capacitance level sensor for a bilge pump' [patent_app_type] => 1 [patent_app_number] => 7/284172 [patent_app_country] => US [patent_app_date] => 1988-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2751 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/881/04881873.pdf [firstpage_image] =>[orig_patent_app_number] => 284172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/284172
Capacitance level sensor for a bilge pump Dec 13, 1988 Issued
Array ( [id] => 2660225 [patent_doc_number] => 04954053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Free-piston compressor with gas spring control' [patent_app_type] => 1 [patent_app_number] => 7/284122 [patent_app_country] => US [patent_app_date] => 1988-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3887 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954053.pdf [firstpage_image] =>[orig_patent_app_number] => 284122 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/284122
Free-piston compressor with gas spring control Dec 13, 1988 Issued
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