Patents Assigned to Defence Research & Development Organisation
  • Patent number: 11857006
    Abstract: A full-body protection gear is disclosed. The protection gear includes a torso protector, an arm protector, and a lower body protector. The torso protector includes a protective vest defining a neck opening, a first arm opening, and a second arm opening. The torso protector includes a front shield, aback shield, a first pair of side shields, a second pair of side shields, a first shoulder shield and a second shoulder shield fixedly disposed on the protective vest. The arm protector includes a first part adapted to cover an upper arm region of a user extending from a shoulder to an elbow, and a second part adapted to be removably coupled with the first part and to cover a lower arm region of the user extending from the elbow to a palm. The lower body protector includes a first part adapted to cover pelvic region and an upper leg region of a user, and a second part removably coupled with the first part in a partial overlapping manner, and adapted to cover lower leg region of the user.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 2, 2024
    Assignee: CHAIRMAN, DEFENCE RESEARCH AND DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Shweta Rawat, Robert Lalhmunlien Varte, Inderjeet Singh, Yashmita Chaudhary, Deepika Kakkar, Usha Panjwani, Bhuvnesh Kumar
  • Patent number: 11221196
    Abstract: A vehicle for detecting and neutralizing an incendiary object comprises a detecting device configured to mount at fore-end of the vehicle is disclosed. The detecting device comprises: one or more platforms configured to be mounted at the fore end of the vehicle. The one or more platforms are located proximal to the ground surface such that they hover over the ground surface at a predetermined distance. A plurality of sensors wherein each of the plurality of sensors mounted on the at least one of the one or more platforms for capturing information related to the incendiary object. A neutralizing device interfaced with the detecting device, wherein the neutralizing device comprises: a neutralizing arm member which actuates in one or more directions for handling and neutralizing the incendiary object based on the information related to the incendiary object. An annihilator device equipped with the neutralizing device to annihilate the incendiary object.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: January 11, 2022
    Assignee: DIRECTOR GENERAL, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Natesan Babu, Alexander Rajasekaran, Swarna Ramesh, Lakshmi Prathibha Perumal Thirunavukkarasu
  • Patent number: 11175117
    Abstract: The present disclosure relates to a bi-directional wing unfolding mechanism for unfolding and locking wings of air vehicle during deployment. The mechanism comprises one or more flexible member to enable lift and rotational movements of the wings of air vehicle about one or more axis. The mechanism also comprises one or more pairs of lock pins to lock undesired lift and rotational movement of the wings after the desired movements, thereby enabling minimum roll disturbance and near synchronous locking of all wings. Further, the mechanism also enables folding and unfolding of the wings having higher aspect ratio by folding and unfolding at mutually perpendicular axes. The mechanism also enables lower drag and results in high aerodynamic performance, low roll rate and better flight trajectory.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: November 16, 2021
    Assignee: CHAIRMAN, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Venkata Lakshmi Chennakeseva Rao Bavanari, Ismail Shaik, Prakash Jain, Seeta Rama Anjaneyulu Pamarthi, Naveed Ali, Ranajit Das, Kaikobad Erachshaw Kapadia
  • Patent number: 10978812
    Abstract: Embodiment of the present disclosure relates to a shared aperture antenna for continuous transmission of signal to ground station at two different spot frequencies. The antenna provides a broad side radiation pattern for frequency range of S band and squinted radiation pattern for frequency range of Ka band. The dual band microstrip antenna is configured on a single layer substrate, having a rectangular slot at small offset from the center on low frequency radiating patch. The positioning of radiating patch and length of high impedance microstrip feed are adjusted to fit into the slot and to get desired squint at high frequency. Two separate coaxial feeds are provided to excite the antenna independently. Third feed fulfil the termination needed by travelling wave array which increases the impedance bandwidth of antenna. A radome is provided to protect the radiating element from environment.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: April 13, 2021
    Assignees: DIRECTOR GENERAL, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO), MINISTRY OF DEFENCE, GOVT. OF INDIA
    Inventors: Sachin Jain, Siva Rami Reddy G, Pummy Ratna, Usha P. Verma
  • Patent number: 10728139
    Abstract: Methods and apparatuses for building a programmable dataplane are described. Specifically, the programmable dataplane can work on a list of identifiers, such as those part of OpenFlow 1.5. Specifically, the programmable dataplane can be built by creating a virtual network graph at a controller node using binary identifiers such that a node is broken into an n-ary tree and the tree has 1×2 or 1×1 nodes.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 28, 2020
    Assignees: Indian Institute of Technology, Bombay, Defence Research & Development Organisation
    Inventors: Ashwin Gumaste, Aniruddha Kushwaha, Sidharth Sharma, Mahesh Jagtap
  • Patent number: 10634093
    Abstract: The present disclosure relates to a dismantleable mandrel assembly and a method of molding solid propellant grains with deep fin cavities whose major transverse dimensions are larger than casing opening dimensions in a monolithic rocket motor. The mandrel assembly comprises a base mandrel, a core mandrel insertable into the base mandrel and a plurality of fin molds attachable onto the base mandrel in a circular pattern about the motor axis. The plurality of longitudinal fin cavities is configured with forward swept leading and trailing edges. The manufacturing technique involves assembling and disassembling the mandrel components before propellant casting and after propellant curing respectively in a specific sequence. With minimum number of components and critical joints the method assures reduced quantum of explosive hazard in propellant grain manufacturing for high performance solid rocket motors.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: April 28, 2020
    Assignee: Chairman, Defence Research & Development Organisation
    Inventor: Anish Bala Krishnan
  • Publication number: 20190252798
    Abstract: Embodiment of the present disclosure relates to a shared aperture antenna for continuous transmission of signal to ground station at two different spot frequencies. The antenna provides a broad side radiation pattern for frequency range of S band and squinted radiation pattern for frequency range of Ka band. The dual band microstrip antenna is configured on a single layer substrate, having a rectangular slot at small offset from the center on low frequency radiating patch. The positioning of radiating patch and length of high impedance microstrip feed are adjusted to fit into the slot and to get desired squint at high frequency. Two separate coaxial feeds are provided to excite the antenna independently. Third feed fulfil the termination needed by travelling wave array which increases the impedance bandwidth of antenna. A radome is provided to protect the radiating element from environment.
    Type: Application
    Filed: October 12, 2017
    Publication date: August 15, 2019
    Applicant: DIRECTOR GENERAL, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Sachin JAIN, Siva Rami REDDY G, Pummy RATNA, Usha P. VERMA
  • Patent number: 10018647
    Abstract: The present disclosure relates to a velocity interferometer. The interferometer described herein, comprises of two optical cells, one partially containing a liquid. The light entering the interferometer is amplitude split and made to propagate through the two cells in such a way that the apparent path lengths of the beams are equal, thereby fulfilling the condition necessary for obtaining single wide fringe in the interference pattern of the two beams. However, due to difference in the physical path traversed by the two beams, a finite delay time exists between them. The two beams, after reflection from end-mirrors or cube corner prisms in the two cells are recombined to form interference fringe patterns on active areas of multiple detectors. Doppler shifted light resulting from reflection of light from a moving projectile generate fringe shifts on the detector planes thereby producing voltage signals proportional to instantaneous velocity of fast moving projectile.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 10, 2018
    Assignee: Defence Research Development Organisation
    Inventors: Devinder Pal Ghai, Het Ram Swami, Anil Kumar Maini
  • Patent number: 9754427
    Abstract: Embodiments of the present disclosure disclose a Black box with Satellite Transmitter (BSAT) for underwater vehicles. The BSAT provides a mission data backup of sunken under water vehicles and it is akin to a black box recorder of aircrafts. The BSAT comprising a sealed enclosure to receive and transmit IR and electromagnetic signals, a Global Positioning System (GPS) with an antenna to provide GPS parameters of the BSAT, a transmit antenna to transmit the GPS parameters and parameters associated with the underwater vehicle, an ejection mechanism to eject the BSAT from the underwater vehicle on detecting a pre-defined condition, by an electronic controller. The electronic controller to perform at least one of sending control signals, communicating using IR transceiver, acquire and store underwater vehicle parameters, identifying an ejection instant, acquiring and storing data GPS parameters, scheduling data transmission through a satellite after ejection of the BSAT from the underwater vehicle.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: September 5, 2017
    Assignee: THE DIRECTOR GENERAL, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Varughese Abraham, Mailapalli Nirmala, Prasad Parvathaneni Shiva, Attara Sanjay, Chakraborti Debasish
  • Publication number: 20160171790
    Abstract: Embodiments of the present disclosure disclose a Black box with Satellite Transmitter (BSAT) for underwater vehicles. The BSAT provides a mission data backup of sunken under water vehicles and it is akin to a black box recorder of aircrafts. The BSAT comprising a sealed enclosure to receive and transmit IR and electromagnetic signals, a Global Positioning System (GPS) with an antenna to provide GPS parameters of the BSAT, a transmit antenna to transmit the GPS parameters and parameters associated with the underwater vehicle, an ejection mechanism to eject the BSAT from the underwater vehicle on detecting a pre-defined condition, by an electronic controller. The electronic controller to perform at least one of sending control signals, communicating using IR transceiver, acquire and store underwater vehicle parameters, identifying an ejection instant, acquiring and storing data GPS parameters, scheduling data transmission through a satellite after ejection of the BSAT from the underwater vehicle.
    Type: Application
    Filed: July 30, 2014
    Publication date: June 16, 2016
    Applicant: THE DIRECTOR GENERAL, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
    Inventors: Varughese ABRAHAM, Mailapalli NIRMALA, Prasad PARVATHANENI SHIVA, Attara SANJAY, Chakraborti DEBASISH
  • Patent number: 9244241
    Abstract: An optical fiber package comprising an adhesive for coating optical fibers comprising part A and part B wherein Part A is an aqueous polymeric emulsion of 2-ethylhexylacrylate or butyl acrylate and acrylic acid or methacrylic acid and Part-B is polyvinylbutyral dissolved in isopropyl alcohol. The said system imparts stability to the optical fiber on long range exposure thereby improving performance.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: January 26, 2016
    Assignee: DIRECTOR GENERAL DEFENCE, RESEARCH & DEVELOPMENT ORGANISATION MINISTRY OF DEFENSE, GOVT. OF INDIA
    Inventors: Krishnamurti Nori, Nayak Jagannath, Kumar Pradeep, Ramesh Babu Badri, MD Azeemuddin
  • Patent number: 9017580
    Abstract: The present invention relates to polymer composite materials, more particularly relates to composite materials with tailor made surface electrical resistivities in the range of 109 to 10?1 ?/sq. and process of making the same. The process for preparing Fiber Reinforced Polymeric (FRP) Composite, said process comprising acts of homogeneously mixing 1-30% by weight of different electrically conducting fillers in matrix resin system to obtain resin mix; wetting dry preforms using the resin mix; compacting the wetted preforms to obtain green composite; curing the green composite; and post-curing the cured composite to prepare the FRP Composite.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: April 28, 2015
    Assignee: The Director General, Defence Research & Development Organisation (DRDO)
    Inventors: Samudra Dasgupta, Madishetty Narayana Rao Jagdish Kumar, Sundaram Sankaran
  • Patent number: 8951581
    Abstract: The present invention relates to a novel bioactive water fraction obtained from the leaves of an herb named Gomphostema niveum commonly found in North Eastern part of India, and which is useful for inhibiting the growth of malarial parasite Plasmodium falciparum. The present invention also relates to a method for the extraction of said bioactive fraction. The present invention also provides methods for treatment of malaria using such bioactive water fractions and use of such bioactive water fractions for the treatment of malaria.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: February 10, 2015
    Assignee: The Director General, Defence Research and Development Organisation
    Inventors: Mahabir Prashad Kaushik, Duraipandian Thavaselvam, Manisha Nivsarkar, Sanjay Kumar, Krishnamurthy Sekhar, Hemant Kumar Gogoi, Deba Koch
  • Patent number: 8800418
    Abstract: The present invention relates to launching system, more particularly relates to mobile launching system for missiles. The mobile missile launch system comprising a vehicle (14) having a chassis structure adapted to carry the launch system; a mounting frame (16) comprising predetermined truss framework mounted onto the chassis structure; plurality of sliding mechanisms mounted at rear end of the mounting frame (16); plurality of canisters (43) mounted onto said beam (22) and plurality of missiles (11) ensconced within the canisters (43); plurality of containers (42) enclosing said canisters (43) and are connected to the saddles (32, 34) for linear movement; plurality of resting units (27) abutting to rear end of the canisters (43) and are adapted to move linearly to transfer reaction forces from said missiles (11) to ground.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: August 12, 2014
    Assignee: Director General, Defence Research & Development Organisation
    Inventors: Siddalingappa Guruprasad, Shreedhar Aravind Katti, Alasani Prasad Goud, Vikas Narayan Waghmare, Sanjay Kumar, Atul Gupta, Ravindra Sudhakar Khire, Tushar Kant Santosh, Bimal Gautam, Paras Ram
  • Patent number: 8785133
    Abstract: A process of detection of pandemic swine flu virus H1N1 type in a sample is provided herein. Also provided are highly specific oligonucleotides useful for rapid detection of swine flu virus in a sample, as well as swine flu virus specific isothermal gene amplification assay for early clinical diagnosis of H1N1 human patients.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: July 22, 2014
    Assignee: Defence Research & Development Organisation
    Inventors: Manmohan Parida, Jyoti Shukla, Santhosh Sannarangiah, Sashi Sharma, Venkata Lakshmana Putcha Rao, Rajagopalan Vijayaraghavan
  • Patent number: 8721926
    Abstract: A single-source solid precursor matrix for semiconductor nanocrystals includes 45-55% by weight of zinc, 28-35% by weight of oxygen, 0.70-1.2% by weight of carbon, 1.5-2.5% by weight of hydrogen, 4-6% by weight of nitrogen, 5-7% by weight of sulphur and 1-5% by weight of dopant ions with respect to the weight of zinc atoms. Doped semiconductor nanocrystals for multicolor displays and bio markers include 60-65% by weight of zinc, 30-32% by weight of sulphur, 1.2-1.3% by weight of copper and 1.2-1.3% by weight of dopant ions.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 13, 2014
    Assignee: The Director General Defence Research & Development Organisation
    Inventors: Manzoor Koyakutty, Aditya Verma, Sampat Raj Vedera, Narendra Kumar, Thundyil Raman Narayana Kutty
  • Patent number: 8646443
    Abstract: An electrochemically reacting composition which can be utilized as a source of heat as well as hydrogen, comprising the active materials aluminum, magnesium and iron, a filler material such as a silica sand, a hydrogen scavenger such as potassium permanganate, additives such as sodium silicate and an electrolyte such as sodium chloride.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: February 11, 2014
    Assignee: The Additional Director (IPR), Defence Research & Development Organisation
    Inventors: Pramil C. Deb, Arun Kumar Shah, Daya Lama
  • Patent number: 8643846
    Abstract: The present invention provides for a novel method and apparatus for the simultaneous generation and detection of optical diffraction interference pattern on a photo detector. The monitoring method and apparatus disclosed herein comprises of a (any) continuous wave coherent collimated beam of light (or a laser) falling on an (any) optically reflective coating on the surface of the body with inherent vibrations, or with manifest vibrations induced from another source through any medium where the said light is reflected, and then received on the surface of a (any) photo detector in such a way that the received light falls partially on the active sensing area, and partially on the outer perimeter of the active sensing area.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: February 4, 2014
    Assignee: Defence Research and Development Organisation
    Inventors: Thankappan Santhanakrishnan, Tatavarti Venkata Sreerama Narasimha Rao
  • Publication number: 20130206657
    Abstract: This invention relates to the field of human waste handling, treatment and disposal in mobile public carriers. In particular the invention is directed to a self- sustained bio-digester for onboard degradation of human waste.
    Type: Application
    Filed: May 6, 2011
    Publication date: August 15, 2013
    Applicant: Director General, Defence Research & Development Organisation
    Inventors: Dev Vrat Kamboj, Lokendra Singh, Vichitra Kumar Gangwar, Rajagopalan Vijayaraghavan
  • Patent number: 8485315
    Abstract: The present invention relates to an acoustic energy reflector comprising a microcellular rubber as inner liner and a fiber reinforced composite as outer casing, in a core-shell assembly, wherein the said microcellular rubber is selected from the group of natural and synthetic rubbers having glass transition temperature below 0° C. and the resin for the fiber reinforced composite is selected from a group having a glass transition temperature at least 50° C.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: July 16, 2013
    Assignee: Defence Research & Development Organisation Ministry of Defence
    Inventors: Sasikumar Krishnamoorthy, Manoj Nalanda Rajagopalan, Gopalan Suresh Nair, Mukundan Thekkekara