Search

David P. Porta

Supervisory Patent Examiner (ID: 85, Phone: (571)272-2444 , Office: P/2884 )

Most Active Art Unit
2506
Art Unit(s)
3621, 2506, 2882, 2878, 2876, 2884, 2899
Total Applications
1588
Issued Applications
1341
Pending Applications
106
Abandoned Applications
144

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3891653 [patent_doc_number] => 05825847 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Compton backscattered collimated x-ray source' [patent_app_type] => 1 [patent_app_number] => 8/910816 [patent_app_country] => US [patent_app_date] => 1997-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3605 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/825/05825847.pdf [firstpage_image] =>[orig_patent_app_number] => 910816 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/910816
Compton backscattered collimated x-ray source Aug 12, 1997 Issued
Array ( [id] => 3941639 [patent_doc_number] => 05878110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'X-ray generation apparatus' [patent_app_type] => 1 [patent_app_number] => 8/907883 [patent_app_country] => US [patent_app_date] => 1997-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5438 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878110.pdf [firstpage_image] =>[orig_patent_app_number] => 907883 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907883
X-ray generation apparatus Aug 10, 1997 Issued
Array ( [id] => 4012496 [patent_doc_number] => 05923722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'X-ray diagnostic apparatus with control of x-ray emission dependent on the afterglow in the solid-state detector' [patent_app_type] => 1 [patent_app_number] => 8/904254 [patent_app_country] => US [patent_app_date] => 1997-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1460 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/923/05923722.pdf [firstpage_image] =>[orig_patent_app_number] => 904254 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/904254
X-ray diagnostic apparatus with control of x-ray emission dependent on the afterglow in the solid-state detector Jul 30, 1997 Issued
Array ( [id] => 4079651 [patent_doc_number] => 05867561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Medical diagnostic imaging system with power conserving control apparatus' [patent_app_type] => 1 [patent_app_number] => 8/902706 [patent_app_country] => US [patent_app_date] => 1997-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3994 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/867/05867561.pdf [firstpage_image] =>[orig_patent_app_number] => 902706 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902706
Medical diagnostic imaging system with power conserving control apparatus Jul 29, 1997 Issued
Array ( [id] => 3847290 [patent_doc_number] => 05815549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Catapult raster drawer for a radiological examination system' [patent_app_type] => 1 [patent_app_number] => 8/902216 [patent_app_country] => US [patent_app_date] => 1997-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1003 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/815/05815549.pdf [firstpage_image] =>[orig_patent_app_number] => 902216 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902216
Catapult raster drawer for a radiological examination system Jul 28, 1997 Issued
Array ( [id] => 3816880 [patent_doc_number] => 05854822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Miniature x-ray device having cold cathode' [patent_app_type] => 1 [patent_app_number] => 8/900609 [patent_app_country] => US [patent_app_date] => 1997-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4717 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/854/05854822.pdf [firstpage_image] =>[orig_patent_app_number] => 900609 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/900609
Miniature x-ray device having cold cathode Jul 24, 1997 Issued
Array ( [id] => 4047649 [patent_doc_number] => 05943388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Radiation detector and non-destructive inspection' [patent_app_type] => 1 [patent_app_number] => 8/899633 [patent_app_country] => US [patent_app_date] => 1997-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 16045 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943388.pdf [firstpage_image] =>[orig_patent_app_number] => 899633 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/899633
Radiation detector and non-destructive inspection Jul 23, 1997 Issued
Array ( [id] => 3994667 [patent_doc_number] => 05910973 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-08 [patent_title] => 'Rapid X-ray inspection system' [patent_app_type] => 1 [patent_app_number] => 8/898165 [patent_app_country] => US [patent_app_date] => 1997-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3349 [patent_no_of_claims] => 16 [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/05/910/05910973.pdf [firstpage_image] =>[orig_patent_app_number] => 898165 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/898165
Rapid X-ray inspection system Jul 21, 1997 Issued
Array ( [id] => 4012455 [patent_doc_number] => 05923719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Exposure apparatus and device manufacturing method using the same' [patent_app_type] => 1 [patent_app_number] => 8/896961 [patent_app_country] => US [patent_app_date] => 1997-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 8781 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/923/05923719.pdf [firstpage_image] =>[orig_patent_app_number] => 896961 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/896961
Exposure apparatus and device manufacturing method using the same Jul 17, 1997 Issued
Array ( [id] => 3995805 [patent_doc_number] => 05949844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Exposure apparatus' [patent_app_type] => 1 [patent_app_number] => 8/898045 [patent_app_country] => US [patent_app_date] => 1997-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 6392 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/949/05949844.pdf [firstpage_image] =>[orig_patent_app_number] => 898045 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/898045
Exposure apparatus Jul 17, 1997 Issued
Array ( [id] => 3884997 [patent_doc_number] => 05838763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'X-ray tube with a plain bearing' [patent_app_type] => 1 [patent_app_number] => 8/896440 [patent_app_country] => US [patent_app_date] => 1997-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2868 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/838/05838763.pdf [firstpage_image] =>[orig_patent_app_number] => 896440 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/896440
X-ray tube with a plain bearing Jul 17, 1997 Issued
Array ( [id] => 3791604 [patent_doc_number] => 05809104 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Method and device for measuring the content of bone mineral in the skeleton' [patent_app_type] => 1 [patent_app_number] => 8/875136 [patent_app_country] => US [patent_app_date] => 1997-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3054 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/809/05809104.pdf [firstpage_image] =>[orig_patent_app_number] => 875136 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/875136
Method and device for measuring the content of bone mineral in the skeleton Jul 9, 1997 Issued
Array ( [id] => 3952762 [patent_doc_number] => 05930326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Side scatter tomography system' [patent_app_type] => 1 [patent_app_number] => 8/890957 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5374 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/930/05930326.pdf [firstpage_image] =>[orig_patent_app_number] => 890957 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/890957
Side scatter tomography system Jul 7, 1997 Issued
Array ( [id] => 3987855 [patent_doc_number] => 05905772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'X-ray examination apparatus with a semiconductor x-ray detector' [patent_app_type] => 1 [patent_app_number] => 8/889273 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4065 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/905/05905772.pdf [firstpage_image] =>[orig_patent_app_number] => 889273 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/889273
X-ray examination apparatus with a semiconductor x-ray detector Jul 7, 1997 Issued
Array ( [id] => 4075014 [patent_doc_number] => 05896439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Process for avoiding radiation injury in diagnostic radiology' [patent_app_type] => 1 [patent_app_number] => 8/737528 [patent_app_country] => US [patent_app_date] => 1997-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1015 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/896/05896439.pdf [firstpage_image] =>[orig_patent_app_number] => 737528 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/737528
Process for avoiding radiation injury in diagnostic radiology Jul 2, 1997 Issued
Array ( [id] => 3972172 [patent_doc_number] => 05937027 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Method and device for the taking of digital images with control and optimization of the exposure time of the object to X or .gamma. radiation' [patent_app_type] => 1 [patent_app_number] => 8/887261 [patent_app_country] => US [patent_app_date] => 1997-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 6276 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937027.pdf [firstpage_image] =>[orig_patent_app_number] => 887261 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/887261
Method and device for the taking of digital images with control and optimization of the exposure time of the object to X or .gamma. radiation Jul 1, 1997 Issued
Array ( [id] => 4062869 [patent_doc_number] => 05870450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Universal radiographic/fluoroscopic digital room' [patent_app_type] => 1 [patent_app_number] => 8/882747 [patent_app_country] => US [patent_app_date] => 1997-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 22260 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870450.pdf [firstpage_image] =>[orig_patent_app_number] => 882747 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/882747
Universal radiographic/fluoroscopic digital room Jun 25, 1997 Issued
Array ( [id] => 3972743 [patent_doc_number] => 05901200 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'X-ray examination apparatus convertible for mobile or stationary mounting' [patent_app_type] => 1 [patent_app_number] => 8/882037 [patent_app_country] => US [patent_app_date] => 1997-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2646 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/901/05901200.pdf [firstpage_image] =>[orig_patent_app_number] => 882037 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/882037
X-ray examination apparatus convertible for mobile or stationary mounting Jun 24, 1997 Issued
Array ( [id] => 3885010 [patent_doc_number] => 05838764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Medical system with adjustable handle' [patent_app_type] => 1 [patent_app_number] => 8/881915 [patent_app_country] => US [patent_app_date] => 1997-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 2618 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/838/05838764.pdf [firstpage_image] =>[orig_patent_app_number] => 881915 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/881915
Medical system with adjustable handle Jun 24, 1997 Issued
Array ( [id] => 4056023 [patent_doc_number] => 05875228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-23 [patent_title] => 'Lightweight rotating anode for X-ray tube' [patent_app_type] => 1 [patent_app_number] => 8/881405 [patent_app_country] => US [patent_app_date] => 1997-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2347 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/875/05875228.pdf [firstpage_image] =>[orig_patent_app_number] => 881405 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/881405
Lightweight rotating anode for X-ray tube Jun 23, 1997 Issued
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