Search

David R. Crowe

Examiner (ID: 17596)

Most Active Art Unit
2885
Art Unit(s)
2885
Total Applications
405
Issued Applications
185
Pending Applications
1
Abandoned Applications
219

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2796204 [patent_doc_number] => 05156532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Rotary vane vacuum pump with shaft seal' [patent_app_type] => 1 [patent_app_number] => 7/707040 [patent_app_country] => US [patent_app_date] => 1991-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1928 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/156/05156532.pdf [firstpage_image] =>[orig_patent_app_number] => 707040 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/707040
Rotary vane vacuum pump with shaft seal May 28, 1991 Issued
Array ( [id] => 2793815 [patent_doc_number] => 05145348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Gerotor pump having an improved drive mechanism' [patent_app_type] => 1 [patent_app_number] => 7/700295 [patent_app_country] => US [patent_app_date] => 1991-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3110 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145348.pdf [firstpage_image] =>[orig_patent_app_number] => 700295 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/700295
Gerotor pump having an improved drive mechanism May 14, 1991 Issued
Array ( [id] => 2796348 [patent_doc_number] => 05156540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Internal gear fuel pump' [patent_app_type] => 1 [patent_app_number] => 7/698678 [patent_app_country] => US [patent_app_date] => 1991-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1746 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/156/05156540.pdf [firstpage_image] =>[orig_patent_app_number] => 698678 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/698678
Internal gear fuel pump May 9, 1991 Issued
Array ( [id] => 2796367 [patent_doc_number] => 05156541 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Revolving vane pump-motor-meter with a toroidal working chamber' [patent_app_type] => 1 [patent_app_number] => 7/696586 [patent_app_country] => US [patent_app_date] => 1991-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 4361 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 441 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/156/05156541.pdf [firstpage_image] =>[orig_patent_app_number] => 696586 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/696586
Revolving vane pump-motor-meter with a toroidal working chamber May 6, 1991 Issued
Array ( [id] => 2862864 [patent_doc_number] => 05090881 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Variable-displacement vane-pump' [patent_app_type] => 1 [patent_app_number] => 7/634504 [patent_app_country] => US [patent_app_date] => 1990-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2535 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090881.pdf [firstpage_image] =>[orig_patent_app_number] => 634504 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634504
Bollard luminaire May 1, 1991 Issued
Array ( [id] => 2862864 [patent_doc_number] => 05090881 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Variable-displacement vane-pump' [patent_app_type] => 1 [patent_app_number] => 7/634504 [patent_app_country] => US [patent_app_date] => 1990-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2535 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090881.pdf [firstpage_image] =>[orig_patent_app_number] => 634504 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634504
Bollard luminaire May 1, 1991 Issued
Array ( [id] => 2849524 [patent_doc_number] => 05149256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Rotary, positive displacement machine with specific lobed rotor profile' [patent_app_type] => 1 [patent_app_number] => 7/691495 [patent_app_country] => US [patent_app_date] => 1991-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 2789 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/149/05149256.pdf [firstpage_image] =>[orig_patent_app_number] => 691495 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/691495
Rotary, positive displacement machine with specific lobed rotor profile Apr 24, 1991 Issued
Array ( [id] => 2660337 [patent_doc_number] => 05069603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Bearings for use in negative-pressure environments' [patent_app_type] => 1 [patent_app_number] => 7/688840 [patent_app_country] => US [patent_app_date] => 1991-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1707 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069603.pdf [firstpage_image] =>[orig_patent_app_number] => 688840 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/688840
Bearings for use in negative-pressure environments Apr 21, 1991 Issued
Array ( [id] => 2793836 [patent_doc_number] => 05145349 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Gear pump with pressure balancing structure' [patent_app_type] => 1 [patent_app_number] => 7/684618 [patent_app_country] => US [patent_app_date] => 1991-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1798 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145349.pdf [firstpage_image] =>[orig_patent_app_number] => 684618 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/684618
Gear pump with pressure balancing structure Apr 11, 1991 Issued
Array ( [id] => 2780153 [patent_doc_number] => 05102317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Two-cylinder-type rotary compressor system having improved suction pipe coupling structure' [patent_app_type] => 1 [patent_app_number] => 7/681744 [patent_app_country] => US [patent_app_date] => 1991-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4010 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102317.pdf [firstpage_image] =>[orig_patent_app_number] => 681744 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/681744
Two-cylinder-type rotary compressor system having improved suction pipe coupling structure Apr 7, 1991 Issued
Array ( [id] => 2772728 [patent_doc_number] => 05163825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Articulated vane fluid driven motor' [patent_app_type] => 1 [patent_app_number] => 7/680154 [patent_app_country] => US [patent_app_date] => 1991-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3048 [patent_no_of_claims] => 11 [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/05/163/05163825.pdf [firstpage_image] =>[orig_patent_app_number] => 680154 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/680154
Articulated vane fluid driven motor Apr 2, 1991 Issued
Array ( [id] => 2938909 [patent_doc_number] => 05180297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => 'Fluid transfer pump with shaft seal structure' [patent_app_type] => 1 [patent_app_number] => 7/674501 [patent_app_country] => US [patent_app_date] => 1991-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5432 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/180/05180297.pdf [firstpage_image] =>[orig_patent_app_number] => 674501 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/674501
Fluid transfer pump with shaft seal structure Mar 21, 1991 Issued
Array ( [id] => 2774196 [patent_doc_number] => 05141423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-25 [patent_title] => 'Axial flow fluid compressor with oil supply passage through rotor' [patent_app_type] => 1 [patent_app_number] => 7/673395 [patent_app_country] => US [patent_app_date] => 1991-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4193 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 434 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/141/05141423.pdf [firstpage_image] =>[orig_patent_app_number] => 673395 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/673395
Axial flow fluid compressor with oil supply passage through rotor Mar 21, 1991 Issued
Array ( [id] => 2778729 [patent_doc_number] => 05135374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Oil flooded screw compressor with thrust compensation control' [patent_app_type] => 1 [patent_app_number] => 7/668165 [patent_app_country] => US [patent_app_date] => 1991-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3058 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/135/05135374.pdf [firstpage_image] =>[orig_patent_app_number] => 668165 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/668165
Oil flooded screw compressor with thrust compensation control Mar 11, 1991 Issued
Array ( [id] => 2792258 [patent_doc_number] => 05123822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-23 [patent_title] => 'Screw compressor with spacer to prevent movement of volume adjusting valve' [patent_app_type] => 1 [patent_app_number] => 7/671377 [patent_app_country] => US [patent_app_date] => 1991-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1864 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/123/05123822.pdf [firstpage_image] =>[orig_patent_app_number] => 671377 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/671377
Screw compressor with spacer to prevent movement of volume adjusting valve Mar 11, 1991 Issued
Array ( [id] => 2776151 [patent_doc_number] => 05154593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Vane pump with annular groove in rotor which connects undervane chambers' [patent_app_type] => 1 [patent_app_number] => 7/665677 [patent_app_country] => US [patent_app_date] => 1991-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2019 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 410 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154593.pdf [firstpage_image] =>[orig_patent_app_number] => 665677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/665677
Vane pump with annular groove in rotor which connects undervane chambers Mar 6, 1991 Issued
Array ( [id] => 2868808 [patent_doc_number] => 05118267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Spinning pump having an adapter with a radial groove' [patent_app_type] => 1 [patent_app_number] => 7/664367 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3410 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118267.pdf [firstpage_image] =>[orig_patent_app_number] => 664367 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/664367
Spinning pump having an adapter with a radial groove Mar 3, 1991 Issued
Array ( [id] => 2764558 [patent_doc_number] => 05131825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Multi-stage vacuum pump with reaction chamber between stages' [patent_app_type] => 1 [patent_app_number] => 7/659587 [patent_app_country] => US [patent_app_date] => 1991-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1808 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/131/05131825.pdf [firstpage_image] =>[orig_patent_app_number] => 659587 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/659587
Multi-stage vacuum pump with reaction chamber between stages Feb 21, 1991 Issued
Array ( [id] => 2656105 [patent_doc_number] => 05072705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Rotary engine and method' [patent_app_type] => 1 [patent_app_number] => 7/658705 [patent_app_country] => US [patent_app_date] => 1991-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1920 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072705.pdf [firstpage_image] =>[orig_patent_app_number] => 658705 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/658705
Rotary engine and method Feb 20, 1991 Issued
Array ( [id] => 2860598 [patent_doc_number] => 05161961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-10 [patent_title] => 'Gear pump with counterbalanced radial forces and two piece radial seals' [patent_app_type] => 1 [patent_app_number] => 7/659250 [patent_app_country] => US [patent_app_date] => 1991-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3666 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161961.pdf [firstpage_image] =>[orig_patent_app_number] => 659250 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/659250
Gear pump with counterbalanced radial forces and two piece radial seals Feb 19, 1991 Issued
Menu