blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0991941

EP0991941 - MEASURING HEATING VALUE OF A GAS USING FLAMELESS COMBUSTION [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  24.05.2002
Database last updated on 20.09.2024
Most recent event   Tooltip24.05.2002Application deemed to be withdrawnpublished on 10.07.2002  [2002/28]
Applicant(s)For all designated states
INSTROMET, INC.
3731 Briar Park, Suite 100
Houston, Texas 77042 / US
[2000/15]
Inventor(s)01 / VANDER HEYDEN, William, H.
10331 North Westport Circle
Mequon, WI 53092 / US
02 / BERG, Ronald, Arthur
2722 South 132 East Avenue
Tulsa, OK 74134 / US
[2000/15]
Representative(s)Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner mbB
Postfach 10 40 36
70035 Stuttgart / DE
[N/P]
Former [2000/15]Patentanwälte Ruff, Beier, Schöndorf und Mütschele
Willy-Brandt-Strasse 28
70173 Stuttgart / DE
Application number, filing date97932292.225.06.1997
[2000/15]
WO1997US11082
Priority number, dateUS1996068282812.07.1996         Original published format: US 682828
[2000/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9802739
Date:22.01.1998
Language:EN
[1998/03]
Type: A1 Application with search report 
No.:EP0991941
Date:12.04.2000
Language:EN
The application published by WIPO in one of the EPO official languages on 22.01.1998 takes the place of the publication of the European patent application.
[2000/15]
Search report(s)International search report - published on:EP22.01.1998
ClassificationIPC:G01N33/22
[2000/15]
CPC:
G01N25/22 (EP,US); G01N33/22 (KR); G01N33/225 (EP,US);
G01N25/32 (EP,US)
Designated contracting statesBE,   DE,   DK,   ES,   FR,   GB,   IE,   IT,   NL [2000/15]
TitleGerman:MESSUNG DES HEIZWERTES EINES GASES UNTER VERWENDUNG VON FLAMMLOSER VERBRENNUNG[2000/15]
English:MEASURING HEATING VALUE OF A GAS USING FLAMELESS COMBUSTION[2000/15]
French:MESURE DE LA VALEUR CHAUFFANTE D'UN GAZ AU MOYEN D'UNE COMBUSTION SANS FLAMME[2000/15]
Entry into regional phase03.02.1999National basic fee paid 
03.02.1999Designation fee(s) paid 
22.03.1999Examination fee paid 
Examination procedure28.01.1998Request for preliminary examination filed
International Preliminary Examining Authority: US
22.03.1999Examination requested  [2000/15]
01.01.2002Application deemed to be withdrawn, date of legal effect  [2002/28]
11.02.2002Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2002/28]
Fees paidRenewal fee
03.02.1999Renewal fee patent year 03
23.06.2000Renewal fee patent year 04
Penalty fee
Penalty fee Rule 85b EPC 1973
11.03.1999M01   Fee paid on   22.03.1999
Additional fee for renewal fee
30.06.200105   M06   Not yet paid
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A]WO9010222  (PRECISION MEASUREMENT INC [US]) [A] 1,5,11,14,22,26 * the whole document *;
 [DA]US4285245  (KENNEDY LYN R) [DA] 1,8,14,21 * column W *;
 [A]US5012432  (STETTER JOSEPH R [US], et al) [A] 1,5,11,14,22,26 * column W *;
 [A]US4386858  (KUDE WILLIAM B, et al) [A] 1,5,11,14,22,26 * column W *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.