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] => 2581981 [patent_doc_number] => 04969801 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Method and apparatus for shutting off a compressor when it rotates in reverse direction' [patent_app_type] => 1 [patent_app_number] => 7/432017 [patent_app_country] => US [patent_app_date] => 1989-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3151 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969801.pdf [firstpage_image] =>[orig_patent_app_number] => 432017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432017
Method and apparatus for shutting off a compressor when it rotates in reverse direction Nov 5, 1989 Issued
07/431086 ADJUSTABLE CYCLE ELECTRIC OIL PUMP CIRCUIT EQUIPMENT WITH MONITOR TIMING CIRCUIT DEVICE FOR DETECTING OUTPUT PRESSURE OF OIL PUMP AND OIL PASSAGE TROUBLE OR NO OIL Nov 2, 1989 Abandoned
Array ( [id] => 2582628 [patent_doc_number] => 04958989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Digital fluid control of a pressure compensated pump' [patent_app_type] => 1 [patent_app_number] => 7/428717 [patent_app_country] => US [patent_app_date] => 1989-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2206 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958989.pdf [firstpage_image] =>[orig_patent_app_number] => 428717 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/428717
Digital fluid control of a pressure compensated pump Oct 29, 1989 Issued
Array ( [id] => 2684739 [patent_doc_number] => 05064351 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-12 [patent_title] => 'Variable displacement pumps' [patent_app_type] => 1 [patent_app_number] => 7/428117 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5168 [patent_no_of_claims] => 34 [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/05/064/05064351.pdf [firstpage_image] =>[orig_patent_app_number] => 428117 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/428117
Variable displacement pumps Oct 26, 1989 Issued
Array ( [id] => 2749264 [patent_doc_number] => 05059101 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Fluid end' [patent_app_type] => 1 [patent_app_number] => 7/424912 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4444 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/059/05059101.pdf [firstpage_image] =>[orig_patent_app_number] => 424912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/424912
Fluid end Oct 22, 1989 Issued
Array ( [id] => 2704274 [patent_doc_number] => 05009572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Water conservation device' [patent_app_type] => 1 [patent_app_number] => 7/422247 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2545 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/009/05009572.pdf [firstpage_image] =>[orig_patent_app_number] => 422247 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/422247
Water conservation device Oct 15, 1989 Issued
Array ( [id] => 2697309 [patent_doc_number] => 05000662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Flat resistance for blower control unit of automobile air conditioner' [patent_app_type] => 1 [patent_app_number] => 7/417571 [patent_app_country] => US [patent_app_date] => 1989-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 45 [patent_no_of_words] => 10807 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/000/05000662.pdf [firstpage_image] =>[orig_patent_app_number] => 417571 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/417571
Flat resistance for blower control unit of automobile air conditioner Oct 4, 1989 Issued
Array ( [id] => 2735646 [patent_doc_number] => 05028212 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Method and apparatus for removal of floating immiscible liquids' [patent_app_type] => 1 [patent_app_number] => 7/412939 [patent_app_country] => US [patent_app_date] => 1989-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5511 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/028/05028212.pdf [firstpage_image] =>[orig_patent_app_number] => 412939 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/412939
Method and apparatus for removal of floating immiscible liquids Sep 25, 1989 Issued
Array ( [id] => 2609478 [patent_doc_number] => 04968218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-06 [patent_title] => 'Method of controlling the air output of a screw compressor' [patent_app_type] => 1 [patent_app_number] => 7/412102 [patent_app_country] => US [patent_app_date] => 1989-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1861 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/968/04968218.pdf [firstpage_image] =>[orig_patent_app_number] => 412102 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/412102
Method of controlling the air output of a screw compressor Sep 24, 1989 Issued
Array ( [id] => 2583839 [patent_doc_number] => 04932840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Control apparatus of variable delivery pump' [patent_app_type] => 1 [patent_app_number] => 7/408217 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 12342 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/932/04932840.pdf [firstpage_image] =>[orig_patent_app_number] => 408217 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408217
Control apparatus of variable delivery pump Sep 17, 1989 Issued
Array ( [id] => 2592807 [patent_doc_number] => 04930992 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Control apparatus of variable delivery pump' [patent_app_type] => 1 [patent_app_number] => 7/408218 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 12377 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/930/04930992.pdf [firstpage_image] =>[orig_patent_app_number] => 408218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408218
Control apparatus of variable delivery pump Sep 17, 1989 Issued
Array ( [id] => 2758826 [patent_doc_number] => 05035580 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Bypass mode control for high pressure washing system' [patent_app_type] => 1 [patent_app_number] => 7/407241 [patent_app_country] => US [patent_app_date] => 1989-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3192 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/035/05035580.pdf [firstpage_image] =>[orig_patent_app_number] => 407241 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/407241
Bypass mode control for high pressure washing system Sep 13, 1989 Issued
07/400002 COMPRESSOR HOUSING HAVING A STRUCTURE FOR PREVENTING SLIPPAGE OF VIBROISOLATING MEMBERS Aug 28, 1989 Abandoned
Array ( [id] => 2573134 [patent_doc_number] => 04969334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Overspeed protection method for an automotive engine driven air conditioning compressor' [patent_app_type] => 1 [patent_app_number] => 7/399039 [patent_app_country] => US [patent_app_date] => 1989-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3946 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969334.pdf [firstpage_image] =>[orig_patent_app_number] => 399039 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/399039
Overspeed protection method for an automotive engine driven air conditioning compressor Aug 27, 1989 Issued
07/396780 MOTOR CONTROLLER FOR ELECTRICAL SUBMERSIBLE PUMPS Aug 20, 1989 Abandoned
Array ( [id] => 2758782 [patent_doc_number] => 05062770 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Fluid pumping apparatus and system with leak detection and containment' [patent_app_type] => 1 [patent_app_number] => 7/393142 [patent_app_country] => US [patent_app_date] => 1989-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2171 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062770.pdf [firstpage_image] =>[orig_patent_app_number] => 393142 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/393142
Fluid pumping apparatus and system with leak detection and containment Aug 10, 1989 Issued
Array ( [id] => 2698819 [patent_doc_number] => 05040950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Power washing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/390220 [patent_app_country] => US [patent_app_date] => 1989-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4969 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040950.pdf [firstpage_image] =>[orig_patent_app_number] => 390220 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390220
Power washing apparatus Aug 6, 1989 Issued
07/388634 HELICAL BLADE TYPE COMPRESSOR WITH THRUST LOSS COMPENSATION Aug 1, 1989 Abandoned
Array ( [id] => 2582102 [patent_doc_number] => 04969807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Gas compressor with buffer spaces' [patent_app_type] => 1 [patent_app_number] => 7/387040 [patent_app_country] => US [patent_app_date] => 1989-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3866 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969807.pdf [firstpage_image] =>[orig_patent_app_number] => 387040 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/387040
Gas compressor with buffer spaces Jul 30, 1989 Issued
Array ( [id] => 2948136 [patent_doc_number] => 05197860 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Hydraulic apparatus for construction machines' [patent_app_type] => 1 [patent_app_number] => 7/391557 [patent_app_country] => US [patent_app_date] => 1989-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2869 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197860.pdf [firstpage_image] =>[orig_patent_app_number] => 391557 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/391557
Hydraulic apparatus for construction machines Jul 26, 1989 Issued
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