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Inventor’s Certificates obtained by the Employees of the Institute of Water Management (1961-1999)

 

No

Name, Surname

Title of Inventor’s Certificates

Inventor’s Certificate No

Date of Issue

1

2

3

4

5

1

Vasiliev V., Khlebnikov S.

Selfpropelled machine for intensified soil compaction

104170

11.12.61

2

Kiknadze L. etc.

Water outlet from flume channels with rapid flow

145819

01.06.62

3

Abelishvili G.

Method to determine absolute filtration losses at the section of irrigation canal

151137

14.11.62

4

Sulakvelidze L., Karaev A.

Obstruction against mud-and-stone flow

 165123

22.07.64

5

Nakashidze D.

Dredging device for underwater excavation

187651

30.07.66

6

Vasiliev V., Khlebnikov S..

Selfpropelled machine for soil compaction

108967

10.09.67

7

Samkharadze V.

Suspended executive device for gap cutting

 209091

25.10.67

8

Tabukashvili.k.

Automatic outlet for low-pressure closed irrigation pipelines

240538

14.01.69

9

Samkharadze V.

Punching device for formation of profiled ditches and trenches, which will not be backfilled

240546

14.01.69

10

Samkharadze V.

Device for formation of ditches during the drainage of marshlands

 271552

12.03.70

11

Kiladze R.,  Ugrekhelidze Sh.

Device for determination of water absorption features of soils

329444

23.11.71

12

Samkharadze V.

Punching device for formation of profiled ditches and trenches, which will not be backfilled

 363790

05.10.72

13

Mirtskhulava Ts.

Method for calculation of adhesive power between water saturated cohesive soils

 334505

10.01.72

14

Zhordania T.,

Itriev L.

Method against capillary water rise in soils

512273

26.12.75

15

Nakashidze D.

Device to control radial gap

477259

21.03.75

16

Maisuradze D., Nanitashvili O., Kalnitsky V.

Method to fill gravimetric moisture gauge

 480015

14.04.75

17

Metonidze N., Terletskaya M.

Method to stabilize plastered loess-type loam

491758

22.07.75

18

Metonidze N., Terletskaya M.

Method to stabilize plastered loess-type loam

497377

08.09.75

19

Iordanishvili Z.

Anti-debris device

 582358

08.08.77

20

Gotsiridze S.

Coating for slopes of hydraulic structure

 588284

21.09.77.

 

21

Sokhadze L.

Anti-debris device

586228

07.09.77

22

Radchenko I.

Protective coating for slopes of hydraulic structure

 638664

28.08.78

23

Sichinava O.

Device to protect the slopes against scour

684096

14.05.79

24

Razumovskaya M.

Edge joint of structural units

 715738

22.10.79

25

Jikia M., Bukhnikashvili T.

Executive device of ladder-type trenching cleaner

 781273

25.07.80

26

Razumovskaya M.

Polymer-mineral mix

 783316

01.08.80

27

Gelutashvili A., Makatsaria A.

Drainage device

819256

05.12.80

28

Sichinava O.

Spillway dam

 829768

14.01.81

29

Sichinava O., Makatsaria A.

Floating breakwater

829764

14.01.81

30

Sichinava O.

Device to protect the slopes against scour

 829762

14.01.81

31

Sichinava O.

Dam against scour

859531

04.05.81

32

Mateishvili V.

Coast-protecting structures

905353

14.10.81

33

Sichinava O.

Device to protect the slopes against scour

 954540

04.05.82

34

Gelutashvili A., Makatsaria A., Sulava E., Kvantaliani M.

Closed collector

953081

21.04.82

35

Gelutashvili A., Makatsaria A., Sulava E., Kvantaliani M.

Combined drainage

 953080

21.04.82

36

Iordanishvili Z., Makatsaria A.

Anti-debris device

 983180

23.08.82.

37

Sichinava O., Zangaladze V.

Device to accumulate sediments and to stabilize channel

 1013551

21.12.82

38

Sichinava O., Siamashvili A.

Coating for underwater slopes and bottom of channels

1021691

08.02.82

39

Gelutashvili A., Ugrekhelidze Sh.

Method to control soil moisture

1049014

22.07.83

40

Razumovskaya M.

Filtration-proof coating of hydraulic structures

 1067130

15.09.83

41

Gavardashvili G.V., Tevzadze V.I., Kukhalashvili E.G.

Anti-scour device

 1101499

 

1984

42

Kukhalashvili E., Gavardashvili G., Pruidze D.

Anti-debris device

1191515

15.07.85

43

Gavardashvili G.V.

Mountainous riverbed control structure of a springboard type

1165736

 

44

Razumovskaya M., Emkhvari N.

Prefabricated permeable joint of Razumovskaya and Emkhvari for concrete canal lining

1213117

22.10.85

45

Razumovskaya M., Potskhveria D. etc.

Device to pinch skin screen into concrete structure

 1214827

01.11.85

46

Sulakvelidze L.

Obstruction against mud-and-stone flows

 1213114

22.10.85

47

Gelutashvili A., etc.

Irrigation device

 1232743

22.01.86

48

Varazashvili N., Makatsaria A., Epshtein G.

Block of coast-protecting structure

 1242556

08.03.86

49

Gavardashvili G.

Anti-debris device

1242570

08.03.86

50

Kukhalashvili E.

Anti-debris device

1254103

01.05.86

51

Ugrekhelidze Sh., Gelutashvili A.

Irrigation gun

1287789

08.10.86

52 

Modebadze N., Gventsadze K., Jambazishvili Sh.

Hydrant - outlet

1305275

22.12.86

53

Gelutashvili A. etc.

Filtering porous material

 1318259

22.02.87

54

Gelutashvili A. etc.

Method to obtain filtering material

1318260

22.02.87

55

Nikolaishvili V., Gabrichidze J.

Sediment box

1318643

22.02.87

56

Sichinava O. etc.

Obstruction to dissipate energy

 1335615

08.05.87

57

Sichinava O., Siamashvili A.

Device to protect the slopes against scour

Protective coating for slopes of hydraulic structure

 1335616

08.05.87

58

Razumovskaya M., etc.

Siphon spillway of hydraulic structure

1337467

15.05.87

59

Sichinava O. etc.

Device to protect impervious screen

1366584

15.09.87

60

Modebadze N., Jambazishvili Sh.

Stabilizer of water flow for closed pressure network

1381436

15.11.87

61

Nikolaishvili V., Gabrichidze J.

Irrigation device

1382910

22.11.87

62

Nikolaishvili V., Gabrichidze J.

Irrigation device

 1386702

08.12.87

63

Razumovskaya M., etc.

Siphon spillway of hydraulic structure

 1388507

15.12.87

64 

Mirtskhulava Ts.

Method to determine permissible nonscouring velocity of water flow

 1392181

03.01.88

65

Nikolaishvili V., Gabrichidze J.

Outlet

1395756

15.01.88

66

Sichinava O., Siamashvili A., Sichinava P.

Method of underwater paving intended to stabilize earth slopes and devices for its implementation

 1416597

15.04.88

67

Tevzadze N., Gabrichidze J., Gelutashvili A.

Well screen

1416631

15.04.88

68

Sichinava O., etc.

Coast – protecting structure

1426152

22.05.88

69

Shatberashvili P., Razumovskaya M., Gabrichidze J.

Surface water diversion device intended from microdrops

1449634

08.09.88

70

Gelutashvili A. etc.

Polymerous composition

1453873

22.09.88

71

Razumovskaya M.,

Tvauri Ts.,

Mazmanova L.

Waterproofing mastic

1460065

22.10.88

72

Sichinava O., Gvilia M., Siamashvili A.

Coast – protecting structure

1476040

03.01.89

73

Nikolaishvili V., Gabrichidze J.

Siphon - outlet   

1483021

01.02.89

74

Mirtskhulava Ts., Petrov A.

Method of clayey soil densification

1502706

22.04.89

75

Nikolaishvili V., Gabrichidze J.

Siphon

1523635

22.07.89

76

Varazashvili N., Mateishvili V.

Prefabricated sea buna

1523623

22.07.89

77

Gavardashvili G., Mamasakhlisi J.

Anti-debris device

 1528849

15.08.89

78

Tevzadze N., Gabrichidze J., Gelutashvili A.

Well screen

 1550054

15.11.89

79

Sichinava O.,

Kvaratskhelia T.

Development of heavy soils

 1557153

15.12.89

80

Sichinava O., Siamashvili A., Sichinava P.

Method to construction protective coating for underwater slope

1565103

15.01.90

81

Gavardashvili G., Khegay E.

Anti-debris dam

 1596006

01.06.90

82

Sichinava O., Siamashvili A. etc.

Filler structure

1596024

01.06.90

83

Sichinava O., Gvilia M., Mirtskhulava Z. etc.

Anti-debris device

 1645357

03.01.91

84

Gavardashvili G.V.

Anti-debris device

1625937

1991

85

Gavardashvili G., Sharangia R.

Anti-erosion device

1738902

08.02.92

86

Gelutashvili A., Tevzadze N., etc.

Flexible connector

 1681118

01.06.91

87

Sichinava O., Kukhalashvili E., Mirtskhulava Z. etc.

Anti-debris device

1687707

 

01.07.91

 

88

Tevzadze N., Gabrichidze J., Gelutashvili A.

Irrigation device

 1705492

15.09.91

89

Tevzadze N., Gelutashvili A.

Filtering water intake

 1758149

01.05.92

90

Gavardashvili G., Sharangia R.

Anti-erosion device

1783042

22.08.92

91

Gavardashvili G., Gvishiani Z.

Anti-debris device

 1789589

22.09.92

92

Nikolaishvili V.

Portable siphon-spillway

 175

16.03.93

93

Nikolaishvili V.

Irrigation device

184

17.05.95

94

Nikolaishvili V.

Sediment trap

2660

30.12.99

95

Gelutashvili a., Gabrichidze i., Tevzadze n.

Portable micro hydro-power plant

 p 2151

08.10.98

96

Shurgaya V., Gelutashvili a.

Irrigation-drainage scheme

iu 619

27.08.99

 

 

 


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